25253879 has 4 divisors (see below), whose sum is σ = 28861584. Its totient is φ = 21646176.

The previous prime is 25253843. The next prime is 25253897. The reversal of 25253879 is 97835252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25253879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803842 + ... + 1803855.

It is an arithmetic number, because the mean of its divisors is an integer number (7215396).

Almost surely, 2^25253879 is an apocalyptic number.

25253879 is a deficient number, since it is larger than the sum of its proper divisors (3607705).

25253879 is an equidigital number, since it uses as much as digits as its factorization.

25253879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607704.

The product of its digits is 151200, while the sum is 41.

The square root of 25253879 is about 5025.3237706639. The cubic root of 25253879 is about 293.3882376853.

The spelling of 25253879 in words is "twenty-five million, two hundred fifty-three thousand, eight hundred seventy-nine".