25566265 has 8 divisors (see below), whose sum is σ = 30744000. Its totient is φ = 20410032.

The previous prime is 25566251. The next prime is 25566287. The reversal of 25566265 is 56266552.

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 25566265 - 2⁹ = 25565753 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2629 + ... + 7618.

It is an arithmetic number, because the mean of its divisors is an integer number (3843000).

Almost surely, 2^25566265 is an apocalyptic number.

It is an amenable number.

25566265 is a deficient number, since it is larger than the sum of its proper divisors (5177735).

25566265 is a wasteful number, since it uses less digits than its factorization.

25566265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10751.

The product of its digits is 108000, while the sum is 37.

The square root of 25566265 is about 5056.3094248671. The cubic root of 25566265 is about 294.5930038142.

The spelling of 25566265 in words is "twenty-five million, five hundred sixty-six thousand, two hundred sixty-five".