513368608 has 24 divisors (see below), whose sum is σ = 1011310272. Its totient is φ = 256527936.

The previous prime is 513368591. The next prime is 513368629. The reversal of 513368608 is 806863315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62941 + ... + 70627.

It is an arithmetic number, because the mean of its divisors is an integer number (42137928).

Almost surely, 2^513368608 is an apocalyptic number.

It is an amenable number.

513368608 is a deficient number, since it is larger than the sum of its proper divisors (497941664).

513368608 is a wasteful number, since it uses less digits than its factorization.

513368608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9784 (or 9776 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 513368608 is about 22657.6390650041. The cubic root of 513368608 is about 800.7121824737.

The spelling of 513368608 in words is "five hundred thirteen million, three hundred sixty-eight thousand, six hundred eight".