2564552 has 32 divisors (see below), whose sum is σ = 5167800. Its totient is φ = 1188864.

The previous prime is 2564539. The next prime is 2564561. The reversal of 2564552 is 2554652.

It can be written as a sum of positive squares in 4 ways, for example, as 2540836 + 23716 = 1594^2 + 154^2 .

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, 14738 + ... + 14910.

2^2564552 is an apocalyptic number.

It is an amenable number.

2564552 is an abundant number, since it is smaller than the sum of its proper divisors (2603248).

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

2564552 is a wasteful number, since it uses less digits than its factorization.

2564552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 301 counting only the distinct ones).

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

The square root of 2564552 is about 1601.4218682159. The cubic root of 2564552 is about 136.8791090834.

Subtracting from 2564552 its product of digits (12000), we obtain a palindrome (2552552).

The spelling of 2564552 in words is "two million, five hundred sixty-four thousand, five hundred fifty-two".