512978352 has 20 divisors (see below), whose sum is σ = 1325194200. Its totient is φ = 170992768.

The previous prime is 512978309. The next prime is 512978357. The reversal of 512978352 is 253879215.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (512978357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5343477 + ... + 5343572.

It is an arithmetic number, because the mean of its divisors is an integer number (66259710).

Almost surely, 2^512978352 is an apocalyptic number.

It is an amenable number.

512978352 is an abundant number, since it is smaller than the sum of its proper divisors (812215848).

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

512978352 is a wasteful number, since it uses less digits than its factorization.

512978352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10687060 (or 10687054 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 512978352 is about 22649.0254094961. The cubic root of 512978352 is about 800.5092341153.

The spelling of 512978352 in words is "five hundred twelve million, nine hundred seventy-eight thousand, three hundred fifty-two".