513232504 has 16 divisors (see below), whose sum is σ = 978622200. Its totient is φ = 252266592.

The previous prime is 513232483. The next prime is 513232519. The reversal of 513232504 is 405232315.

It is a super-2 number, since 2×513232504² = 526815206324220032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543207 + ... + 544150.

Almost surely, 2^513232504 is an apocalyptic number.

It is an amenable number.

513232504 is a deficient number, since it is larger than the sum of its proper divisors (465389696).

513232504 is a wasteful number, since it uses less digits than its factorization.

513232504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087422 (or 1087418 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 513232504 is about 22654.6353755694. The cubic root of 513232504 is about 800.6414147631.

Adding to 513232504 its reverse (405232315), we get a palindrome (918464819).

It can be divided in two parts, 5132 and 32504, that added together give a square (37636 = 194²).

The spelling of 513232504 in words is "five hundred thirteen million, two hundred thirty-two thousand, five hundred four".