512815516 has 12 divisors (see below), whose sum is σ = 926376640. Its totient is φ = 248136480.

The previous prime is 512815507. The next prime is 512815531. The reversal of 512815516 is 615518215.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 2067681 + ... + 2067928.

Almost surely, 2^512815516 is an apocalyptic number.

It is an amenable number.

512815516 is a deficient number, since it is larger than the sum of its proper divisors (413561124).

512815516 is a wasteful number, since it uses less digits than its factorization.

512815516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135644 (or 4135642 counting only the distinct ones).

The product of its digits is 12000, while the sum is 34.

The square root of 512815516 is about 22645.4303558135. The cubic root of 512815516 is about 800.4245226025.

The spelling of 512815516 in words is "five hundred twelve million, eight hundred fifteen thousand, five hundred sixteen".