513612066 has 32 divisors (see below), whose sum is σ = 1179590400. Its totient is φ = 147448080.

The previous prime is 513612053. The next prime is 513612097. The reversal of 513612066 is 660216315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203536 + ... + 206043.

It is an arithmetic number, because the mean of its divisors is an integer number (36862200).

Almost surely, 2^513612066 is an apocalyptic number.

513612066 is an abundant number, since it is smaller than the sum of its proper divisors (665978334).

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

513612066 is a wasteful number, since it uses less digits than its factorization.

513612066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409614.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 513612066 is about 22663.0109650064. The cubic root of 513612066 is about 800.8387380491.

The spelling of 513612066 in words is "five hundred thirteen million, six hundred twelve thousand, sixty-six".