25879387 has 8 divisors (see below), whose sum is σ = 27291600. Its totient is φ = 24472224.

The previous prime is 25879379. The next prime is 25879411. The reversal of 25879387 is 78397852.

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

It is a cyclic number.

It is not a de Polignac number, because 25879387 - 2³ = 25879379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25879387.

It is not an unprimeable number, because it can be changed into a prime (25879367) 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, 14289 + ... + 15997.

It is an arithmetic number, because the mean of its divisors is an integer number (3411450).

Almost surely, 2^25879387 is an apocalyptic number.

25879387 is a deficient number, since it is larger than the sum of its proper divisors (1412213).

25879387 is a wasteful number, since it uses less digits than its factorization.

25879387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525.

The product of its digits is 846720, while the sum is 49.

The square root of 25879387 is about 5087.1786876421. The cubic root of 25879387 is about 295.7907998010.

The spelling of 25879387 in words is "twenty-five million, eight hundred seventy-nine thousand, three hundred eighty-seven".