25925525 has 12 divisors (see below), whose sum is σ = 32289600. Its totient is φ = 20648880.

The previous prime is 25925461. The next prime is 25925563. The reversal of 25925525 is 52552952.

It is a happy number.

It is not a de Polignac number, because 25925525 - 2⁶ = 25925461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3806 + ... + 8144.

It is an arithmetic number, because the mean of its divisors is an integer number (2690800).

Almost surely, 2^25925525 is an apocalyptic number.

25925525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25925525 is a deficient number, since it is larger than the sum of its proper divisors (6364075).

25925525 is a wasteful number, since it uses less digits than its factorization.

25925525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588 (or 4583 counting only the distinct ones).

The product of its digits is 45000, while the sum is 35.

The square root of 25925525 is about 5091.7114018766. The cubic root of 25925525 is about 295.9664749284.

The spelling of 25925525 in words is "twenty-five million, nine hundred twenty-five thousand, five hundred twenty-five".