512712934 has 4 divisors (see below), whose sum is σ = 769069404. Its totient is φ = 256356466.

The previous prime is 512712917. The next prime is 512712943. The reversal of 512712934 is 439217215.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 512712934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128178232 + ... + 128178235.

It is an arithmetic number, because the mean of its divisors is an integer number (192267351).

Almost surely, 2^512712934 is an apocalyptic number.

512712934 is a deficient number, since it is larger than the sum of its proper divisors (256356470).

512712934 is a wasteful number, since it uses less digits than its factorization.

512712934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256356469.

The product of its digits is 15120, while the sum is 34.

The square root of 512712934 is about 22643.1652822656. The cubic root of 512712934 is about 800.3711475769.

The spelling of 512712934 in words is "five hundred twelve million, seven hundred twelve thousand, nine hundred thirty-four".