• 524 can be written using four 4's:
524 is nontrivially palindromic in base 3.
524 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an Ulam number.
It is a plaindrome in base 7, base 12 and base 15.
It is a nialpdrome in base 9.
It is an amenable number.
524 is a wasteful number, since it uses less digits than its factorization.
524 is an odious number, because the sum of its binary digits is odd.
The square root of 524 is about 22.8910462845. The cubic root of 524 is about 8.0620179789.
Adding to 524 its sum of digits (11), we get a palindrome (535).
Subtracting from 524 its product of digits (40), we obtain a palindrome (484).
Adding to 524 its reverse (425), we get a palindrome (949).
Subtracting from 524 its reverse (425), we obtain a palindrome (99).
The spelling of 524 in words is "five hundred twenty-four", and thus it is an aban number.