513696312 has 48 divisors (see below), whose sum is σ = 1464489000. Its totient is φ = 162219456.

The previous prime is 513696301. The next prime is 513696367. The reversal of 513696312 is 213696315.

513696312 is a `hidden beast` number, since 5 + 13 + 6 + 9 + 631 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186387 + ... + 189122.

Almost surely, 2^513696312 is an apocalyptic number.

It is an amenable number.

513696312 is an abundant number, since it is smaller than the sum of its proper divisors (950792688).

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

513696312 is a wasteful number, since it uses less digits than its factorization.

513696312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375540 (or 375533 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 513696312 is about 22664.8695562097. The cubic root of 513696312 is about 800.8825219192.

The spelling of 513696312 in words is "five hundred thirteen million, six hundred ninety-six thousand, three hundred twelve".