• 514 can be written using four 4's:
514 is nontrivially palindromic in base 4 and base 16.
It is an iccanobiF number.
514 is an undulating number in base 16.
It is a plaindrome in base 7, base 12, base 14 and base 15.
It is a nialpdrome in base 9.
It is a self number, because there is not a number n which added to its sum of digits gives 514.
It is a congruent number.
It is an unprimeable number.
In principle, a polygon with 514 sides can be constructed with ruler and compass.
514 is the 19-th centered triangular number.
514 is a wasteful number, since it uses less digits than its factorization.
514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259.
The square root of 514 is about 22.6715680975. The cubic root of 514 is about 8.0104031327.
Subtracting from 514 its product of digits (20), we obtain a palindrome (494).
Adding to 514 its reverse (415), we get a palindrome (929).
Subtracting from 514 its reverse (415), we obtain a palindrome (99).
The spelling of 514 in words is "five hundred fourteen", and thus it is an aban number.