8522564 has 12 divisors (see below), whose sum is σ = 15699600. Its totient is φ = 4036968.

The previous prime is 8522561. The next prime is 8522567. The reversal of 8522564 is 4652258.

It is an interprime number because it is at equal distance from previous prime (8522561) and next prime (8522567).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8522564.

It is not an unprimeable number, because it can be changed into a prime (8522561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55994 + ... + 56145.

It is an arithmetic number, because the mean of its divisors is an integer number (1308300).

Almost surely, 2^8522564 is an apocalyptic number.

It is an amenable number.

8522564 is a deficient number, since it is larger than the sum of its proper divisors (7177036).

8522564 is a wasteful number, since it uses less digits than its factorization.

8522564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112162 (or 112160 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 8522564 is about 2919.3430767897. The cubic root of 8522564 is about 204.2631807649.

The spelling of 8522564 in words is "eight million, five hundred twenty-two thousand, five hundred sixty-four".