25995225 has 24 divisors (see below), whose sum is σ = 43156960. Its totient is φ = 13806720.

The previous prime is 25995197. The next prime is 25995239. The reversal of 25995225 is 52259952.

It is not a de Polignac number, because 25995225 - 2⁶ = 25995161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22461 + ... + 23589.

Almost surely, 2^25995225 is an apocalyptic number.

25995225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25995225 is a deficient number, since it is larger than the sum of its proper divisors (17161735).

25995225 is a wasteful number, since it uses less digits than its factorization.

25995225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449 (or 1444 counting only the distinct ones).

The product of its digits is 81000, while the sum is 39.

The square root of 25995225 is about 5098.5512648202. The cubic root of 25995225 is about 296.2314699371.

The spelling of 25995225 in words is "twenty-five million, nine hundred ninety-five thousand, two hundred twenty-five".