25979675 has 6 divisors (see below), whose sum is σ = 32214828. Its totient is φ = 20783720.

The previous prime is 25979671. The next prime is 25979687. The reversal of 25979675 is 57697952.

It is not a de Polignac number, because 25979675 - 2² = 25979671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25979671) 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 5 ways as a sum of consecutive naturals, for example, 519569 + ... + 519618.

It is an arithmetic number, because the mean of its divisors is an integer number (5369138).

Almost surely, 2^25979675 is an apocalyptic number.

25979675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25979675 is a deficient number, since it is larger than the sum of its proper divisors (6235153).

25979675 is a wasteful number, since it uses less digits than its factorization.

25979675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039197 (or 1039192 counting only the distinct ones).

The product of its digits is 1190700, while the sum is 50.

The square root of 25979675 is about 5097.0260937139. The cubic root of 25979675 is about 296.1723909055.

The spelling of 25979675 in words is "twenty-five million, nine hundred seventy-nine thousand, six hundred seventy-five".