8025564 has 24 divisors (see below), whose sum is σ = 19828368. Its totient is φ = 2517760.

The previous prime is 8025557. The next prime is 8025569. The reversal of 8025564 is 4655208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8025569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19467 + ... + 19874.

It is an arithmetic number, because the mean of its divisors is an integer number (826182).

Almost surely, 2^8025564 is an apocalyptic number.

It is an amenable number.

8025564 is an abundant number, since it is smaller than the sum of its proper divisors (11802804).

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

8025564 is a wasteful number, since it uses less digits than its factorization.

8025564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39365 (or 39363 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 8025564 is about 2832.9426397299. The cubic root of 8025564 is about 200.2128068193.

The spelling of 8025564 in words is "eight million, twenty-five thousand, five hundred sixty-four".