512565641 has 16 divisors (see below), whose sum is σ = 631666560. Its totient is φ = 406062720.

The previous prime is 512565617. The next prime is 512565653. The reversal of 512565641 is 146565215.

It is not a de Polignac number, because 512565641 - 2²⁶ = 445456777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (512565601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41546 + ... + 52451.

It is an arithmetic number, because the mean of its divisors is an integer number (39479160).

Almost surely, 2^512565641 is an apocalyptic number.

It is an amenable number.

512565641 is a deficient number, since it is larger than the sum of its proper divisors (119100919).

512565641 is a wasteful number, since it uses less digits than its factorization.

512565641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94064.

The product of its digits is 36000, while the sum is 35.

The square root of 512565641 is about 22639.9125660856. The cubic root of 512565641 is about 800.2944962641.

The spelling of 512565641 in words is "five hundred twelve million, five hundred sixty-five thousand, six hundred forty-one".