None
No. This is not a requirement for being president of the United States.
Some one alreay asksed.13 out of the first 42.
There have been 44 US presidents.
No U.S. presidents were born in England. Many of the early Presidents were born British Citizens as being born in the Colonies, but all were born in what is now the US.
The plural possessive for president is presidents'.Examples: Two of the US presidents' names were Roosevelt.
This depends on the context, whether it be in the world, or for a particular country. See related questions: US: The US has had 45 Presidents (44 unique people), with Donald Trump being the 45th president.
The President's nominations for cabinet posts are vetted by the US Senate which has the power to reject them if they wish.
There are 43 presidents to date. Our next President will be Obama the 44th.
No US president is known to have had epilepsy.
4
No. Presidents can be single.