25536525 has 48 divisors (see below), whose sum is σ = 48758784. Its totient is φ = 11551680.

The previous prime is 25536523. The next prime is 25536541. The reversal of 25536525 is 52563552.

It is not a de Polignac number, because 25536525 - 2¹ = 25536523 is a prime.

It is a super-2 number, since 2×25536525² = 1304228218151250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25536523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66484 + ... + 66866.

It is an arithmetic number, because the mean of its divisors is an integer number (1015808).

Almost surely, 2^25536525 is an apocalyptic number.

25536525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25536525 is a deficient number, since it is larger than the sum of its proper divisors (23222259).

25536525 is a wasteful number, since it uses less digits than its factorization.

25536525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 525 counting only the distinct ones).

The product of its digits is 45000, while the sum is 33.

The square root of 25536525 is about 5053.3676889773. The cubic root of 25536525 is about 294.4787308939.

The spelling of 25536525 in words is "twenty-five million, five hundred thirty-six thousand, five hundred twenty-five".