514

514 = 2 x 257.

514 is a centered triangular number.

514!/415! + 1 is a prime number.

514 is 20002 in base 4, 4024 in base 5, 1333 in base 7, and 1002 in base 8.


514 is a telephone area code that covers all of the island of Montreal, Quebec.

Source: Prime Curios!