2556524025 has 144 divisors (see below), whose sum is σ = 5266829568. Its totient is φ = 1218888000.

The previous prime is 2556524023. The next prime is 2556524053. The reversal of 2556524025 is 5204256552.

It is not a de Polignac number, because 2556524025 - 2¹ = 2556524023 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2556524023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4476990 + ... + 4477560.

Almost surely, 2^2556524025 is an apocalyptic number.

2556524025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2556524025 is an abundant number, since it is smaller than the sum of its proper divisors (2710305543).

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

2556524025 is a wasteful number, since it uses less digits than its factorization.

2556524025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 2556524025 is about 50562.0809006117. The cubic root of 2556524025 is about 1367.3613275646.

The spelling of 2556524025 in words is "two billion, five hundred fifty-six million, five hundred twenty-four thousand, twenty-five".