25879028 has 24 divisors (see below), whose sum is σ = 52276224. Its totient is φ = 10980000.

The previous prime is 25879001. The next prime is 25879031. The reversal of 25879028 is 82097852.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1748 + ... + 7403.

It is an arithmetic number, because the mean of its divisors is an integer number (2178176).

Almost surely, 2^25879028 is an apocalyptic number.

25879028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25879028 is an abundant number, since it is smaller than the sum of its proper divisors (26397196).

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

25879028 is a wasteful number, since it uses less digits than its factorization.

25879028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9263 (or 9261 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 25879028 is about 5087.1434027360. The cubic root of 25879028 is about 295.7894320536.

The spelling of 25879028 in words is "twenty-five million, eight hundred seventy-nine thousand, twenty-eight".