531046564 has 12 divisors (see below), whose sum is σ = 938017584. Its totient is φ = 263041544.

The previous prime is 531046543. The next prime is 531046567. The reversal of 531046564 is 465640135.

It is not an unprimeable number, because it can be changed into a prime (531046567) 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, 619954 + ... + 620809.

It is an arithmetic number, because the mean of its divisors is an integer number (78168132).

Almost surely, 2^531046564 is an apocalyptic number.

It is an amenable number.

531046564 is a deficient number, since it is larger than the sum of its proper divisors (406971020).

531046564 is a wasteful number, since it uses less digits than its factorization.

531046564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240874 (or 1240872 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 531046564 is about 23044.4475741989. The cubic root of 531046564 is about 809.7995561531.

Adding to 531046564 its reverse (465640135), we get a palindrome (996686699).

The spelling of 531046564 in words is "five hundred thirty-one million, forty-six thousand, five hundred sixty-four".