25995525 has 12 divisors (see below), whose sum is σ = 42979392. Its totient is φ = 13864240.

The previous prime is 25995523. The next prime is 25995539. The reversal of 25995525 is 52559952.

It is not a de Polignac number, because 25995525 - 2¹ = 25995523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25995523) 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, 173229 + ... + 173378.

It is an arithmetic number, because the mean of its divisors is an integer number (3581616).

Almost surely, 2^25995525 is an apocalyptic number.

25995525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25995525 is a deficient number, since it is larger than the sum of its proper divisors (16983867).

25995525 is a wasteful number, since it uses less digits than its factorization.

25995525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346620 (or 346615 counting only the distinct ones).

The product of its digits is 202500, while the sum is 42.

The square root of 25995525 is about 5098.5806848573. The cubic root of 25995525 is about 296.2326094939.

The spelling of 25995525 in words is "twenty-five million, nine hundred ninety-five thousand, five hundred twenty-five".