512665364 has 12 divisors (see below), whose sum is σ = 928101300. Its totient is φ = 247493568.

The previous prime is 512665339. The next prime is 512665367. The reversal of 512665364 is 463566215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199092100 + 313573264 = 14110^2 + 17708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512665367) 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, 2209649 + ... + 2209880.

It is an arithmetic number, because the mean of its divisors is an integer number (77341775).

Almost surely, 2^512665364 is an apocalyptic number.

It is an amenable number.

512665364 is a deficient number, since it is larger than the sum of its proper divisors (415435936).

512665364 is a wasteful number, since it uses less digits than its factorization.

512665364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419562 (or 4419560 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 512665364 is about 22642.1148305541. The cubic root of 512665364 is about 800.3463937426.

The spelling of 512665364 in words is "five hundred twelve million, six hundred sixty-five thousand, three hundred sixty-four".