25295565 has 16 divisors (see below), whose sum is σ = 41461056. Its totient is φ = 13161600.

The previous prime is 25295533. The next prime is 25295573. The reversal of 25295565 is 56559252.

It is not a de Polignac number, because 25295565 - 2⁵ = 25295533 is a prime.

It is a congruent 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, 19951 + ... + 21180.

It is an arithmetic number, because the mean of its divisors is an integer number (2591316).

Almost surely, 2^25295565 is an apocalyptic number.

It is an amenable number.

25295565 is a deficient number, since it is larger than the sum of its proper divisors (16165491).

25295565 is a wasteful number, since it uses less digits than its factorization.

25295565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41180.

The product of its digits is 135000, while the sum is 39.

The square root of 25295565 is about 5029.4696539496. The cubic root of 25295565 is about 293.5495786933.

The spelling of 25295565 in words is "twenty-five million, two hundred ninety-five thousand, five hundred sixty-five".