513339972 has 24 divisors (see below), whose sum is σ = 1198260000. Its totient is φ = 171046656.

The previous prime is 513339947. The next prime is 513340027. The reversal of 513339972 is 279933315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31279 + ... + 44777.

It is an arithmetic number, because the mean of its divisors is an integer number (49927500).

Almost surely, 2^513339972 is an apocalyptic number.

It is an amenable number.

513339972 is an abundant number, since it is smaller than the sum of its proper divisors (684920028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513339972 is a wasteful number, since it uses less digits than its factorization.

513339972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16675 (or 16673 counting only the distinct ones).

The product of its digits is 153090, while the sum is 42.

The square root of 513339972 is about 22657.0071280388. The cubic root of 513339972 is about 800.6972941329.

The spelling of 513339972 in words is "five hundred thirteen million, three hundred thirty-nine thousand, nine hundred seventy-two".