512661304 has 16 divisors (see below), whose sum is σ = 994386600. Its totient is φ = 247491552.

The previous prime is 512661241. The next prime is 512661313. The reversal of 512661304 is 403166215.

It is a super-2 number, since 2×512661304² = 525643225237960832, which contains 22 as substring.

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, 1104642 + ... + 1105105.

Almost surely, 2^512661304 is an apocalyptic number.

It is an amenable number.

512661304 is a deficient number, since it is larger than the sum of its proper divisors (481725296).

512661304 is a wasteful number, since it uses less digits than its factorization.

512661304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209782 (or 2209778 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 512661304 is about 22642.0251744406. The cubic root of 512661304 is about 800.3442809837.

It can be divided in two parts, 5126 and 61304, that added together give a triangular number (66430 = T₃₆₄).

The spelling of 512661304 in words is "five hundred twelve million, six hundred sixty-one thousand, three hundred four".