25475925 has 12 divisors (see below), whose sum is σ = 42120320. Its totient is φ = 13587120.

The previous prime is 25475921. The next prime is 25475939. The reversal of 25475925 is 52957452.

It is not a de Polignac number, because 25475925 - 2² = 25475921 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25475921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169765 + ... + 169914.

Almost surely, 2^25475925 is an apocalyptic number.

25475925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25475925 is a deficient number, since it is larger than the sum of its proper divisors (16644395).

25475925 is a wasteful number, since it uses less digits than its factorization.

25475925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339692 (or 339687 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 25475925 is about 5047.3681260633. The cubic root of 25475925 is about 294.2456066940.

The spelling of 25475925 in words is "twenty-five million, four hundred seventy-five thousand, nine hundred twenty-five".