2552564 has 12 divisors (see below), whose sum is σ = 5105184. Its totient is φ = 1093944.

The previous prime is 2552531. The next prime is 2552581. The reversal of 2552564 is 4652552.

2552564 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 45554 + ... + 45609.

It is an arithmetic number, because the mean of its divisors is an integer number (425432).

2^2552564 is an apocalyptic number.

It is an amenable number.

2552564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2552564 is a wasteful number, since it uses less digits than its factorization.

2552564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91174 (or 91172 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 2552564 is about 1597.6745601029. The cubic root of 2552564 is about 136.6654953961.

The spelling of 2552564 in words is "two million, five hundred fifty-two thousand, five hundred sixty-four".