2564528 has 20 divisors (see below), whose sum is σ = 5141040. Its totient is φ = 1237824.

The previous prime is 2564521. The next prime is 2564539. The reversal of 2564528 is 8254652.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2564494 and 2564503.

It is not an unprimeable number, because it can be changed into a prime (2564521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300 + ... + 3227.

It is an arithmetic number, because the mean of its divisors is an integer number (257052).

2^2564528 is an apocalyptic number.

It is an amenable number.

2564528 is an abundant number, since it is smaller than the sum of its proper divisors (2576512).

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

2564528 is a wasteful number, since it uses less digits than its factorization.

2564528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564 (or 5558 counting only the distinct ones).

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

The square root of 2564528 is about 1601.4143748574. The cubic root of 2564528 is about 136.8786820941.

The spelling of 2564528 in words is "two million, five hundred sixty-four thousand, five hundred twenty-eight".