7522564 has 24 divisors (see below), whose sum is σ = 15700608. Its totient is φ = 3083520.

The previous prime is 7522531. The next prime is 7522573. The reversal of 7522564 is 4652257.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5197 + ... + 6484.

It is an arithmetic number, because the mean of its divisors is an integer number (654192).

Almost surely, 2^7522564 is an apocalyptic number.

It is an amenable number.

7522564 is an abundant number, since it is smaller than the sum of its proper divisors (8178044).

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

7522564 is a wasteful number, since it uses less digits than its factorization.

7522564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11715 (or 11713 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 7522564 is about 2742.7292976158. The cubic root of 7522564 is about 195.9394856915.

The spelling of 7522564 in words is "seven million, five hundred twenty-two thousand, five hundred sixty-four".