522563664 has 40 divisors (see below), whose sum is σ = 1542808000. Its totient is φ = 149303808.

The previous prime is 522563653. The next prime is 522563681. The reversal of 522563664 is 466365225.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 777289 + ... + 777960.

It is an arithmetic number, because the mean of its divisors is an integer number (38570200).

Almost surely, 2^522563664 is an apocalyptic number.

It is an amenable number.

522563664 is an abundant number, since it is smaller than the sum of its proper divisors (1020244336).

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

522563664 is a wasteful number, since it uses less digits than its factorization.

522563664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555267 (or 1555261 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 522563664 is about 22859.6514409122. The cubic root of 522563664 is about 805.4644974317.

The spelling of 522563664 in words is "five hundred twenty-two million, five hundred sixty-three thousand, six hundred sixty-four".