25240265 has 16 divisors (see below), whose sum is σ = 32011200. Its totient is φ = 19052352.

The previous prime is 25240207. The next prime is 25240277. The reversal of 25240265 is 56204252.

It is a cyclic number.

It is not a de Polignac number, because 25240265 - 2²² = 21045961 is a prime.

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, 36614 + ... + 37296.

It is an arithmetic number, because the mean of its divisors is an integer number (2000700).

Almost surely, 2^25240265 is an apocalyptic number.

It is an amenable number.

25240265 is a deficient number, since it is larger than the sum of its proper divisors (6770935).

25240265 is a wasteful number, since it uses less digits than its factorization.

25240265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 25240265 is about 5023.9690484715. The cubic root of 25240265 is about 293.3355077605.

The spelling of 25240265 in words is "twenty-five million, two hundred forty thousand, two hundred sixty-five".