25028879 has 8 divisors (see below), whose sum is σ = 27002160. Its totient is φ = 23111296.

The previous prime is 25028867. The next prime is 25028891. The reversal of 25028879 is 97882052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25028867) and next prime (25028891).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-25028879 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 (25027879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12989 + ... + 14790.

It is an arithmetic number, because the mean of its divisors is an integer number (3375270).

Almost surely, 2^25028879 is an apocalyptic number.

25028879 is a deficient number, since it is larger than the sum of its proper divisors (1973281).

25028879 is a wasteful number, since it uses less digits than its factorization.

25028879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27849.

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

The square root of 25028879 is about 5002.8870664847. The cubic root of 25028879 is about 292.5143207735.

The spelling of 25028879 in words is "twenty-five million, twenty-eight thousand, eight hundred seventy-nine".