2656236525 has 12 divisors (see below), whose sum is σ = 4391644512. Its totient is φ = 1416659440.

The previous prime is 2656236523. The next prime is 2656236529. The reversal of 2656236525 is 5256326562.

It is not a de Polignac number, because 2656236525 - 2¹ = 2656236523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656236523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17708169 + ... + 17708318.

It is an arithmetic number, because the mean of its divisors is an integer number (365970376).

Almost surely, 2^2656236525 is an apocalyptic number.

2656236525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2656236525 is a deficient number, since it is larger than the sum of its proper divisors (1735407987).

2656236525 is a wasteful number, since it uses less digits than its factorization.

2656236525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35416500 (or 35416495 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

The square root of 2656236525 is about 51538.6895933531. The cubic root of 2656236525 is about 1384.9122223213.

The spelling of 2656236525 in words is "two billion, six hundred fifty-six million, two hundred thirty-six thousand, five hundred twenty-five".