25979395 has 16 divisors (see below), whose sum is σ = 34659072. Its totient is φ = 18564480.

The previous prime is 25979357. The next prime is 25979423. The reversal of 25979395 is 59397952.

It is not a de Polignac number, because 25979395 - 2¹³ = 25971203 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4432 + ... + 8461.

It is an arithmetic number, because the mean of its divisors is an integer number (2166192).

Almost surely, 2^25979395 is an apocalyptic number.

25979395 is a deficient number, since it is larger than the sum of its proper divisors (8679677).

25979395 is a wasteful number, since it uses less digits than its factorization.

25979395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12942.

The product of its digits is 765450, while the sum is 49.

The square root of 25979395 is about 5096.9986266429. The cubic root of 25979395 is about 296.1713268870.

The spelling of 25979395 in words is "twenty-five million, nine hundred seventy-nine thousand, three hundred ninety-five".