25879425 has 96 divisors (see below), whose sum is σ = 53329920. Its totient is φ = 10886400.

The previous prime is 25879417. The next prime is 25879459. The reversal of 25879425 is 52497852.

It is not a de Polignac number, because 25879425 - 2³ = 25879417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 203712 + ... + 203838.

It is an arithmetic number, because the mean of its divisors is an integer number (555520).

Almost surely, 2^25879425 is an apocalyptic number.

25879425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25879425 is an abundant number, since it is smaller than the sum of its proper divisors (27450495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25879425 is a wasteful number, since it uses less digits than its factorization.

25879425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 178 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 25879425 is about 5087.1824225203. The cubic root of 25879425 is about 295.7909445757.

The spelling of 25879425 in words is "twenty-five million, eight hundred seventy-nine thousand, four hundred twenty-five".