512739204 has 12 divisors (see below), whose sum is σ = 1196391504. Its totient is φ = 170913064.

The previous prime is 512739203. The next prime is 512739233. The reversal of 512739204 is 402937215.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (512739203) 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, 21364122 + ... + 21364145.

It is an arithmetic number, because the mean of its divisors is an integer number (99699292).

Almost surely, 2^512739204 is an apocalyptic number.

It is an amenable number.

512739204 is an abundant number, since it is smaller than the sum of its proper divisors (683652300).

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

512739204 is a wasteful number, since it uses less digits than its factorization.

512739204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42728274 (or 42728272 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 512739204 is about 22643.7453615783. The cubic root of 512739204 is about 800.3848169485.

The spelling of 512739204 in words is "five hundred twelve million, seven hundred thirty-nine thousand, two hundred four".