25118265 has 32 divisors (see below), whose sum is σ = 42923520. Its totient is φ = 12498944.

The previous prime is 25118251. The next prime is 25118279. The reversal of 25118265 is 56281152.

It is an interprime number because it is at equal distance from previous prime (25118251) and next prime (25118279).

It is not a de Polignac number, because 25118265 - 2⁶ = 25118201 is a prime.

It is a super-2 number, since 2×25118265² = 1261854473220450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34576 + ... + 35294.

It is an arithmetic number, because the mean of its divisors is an integer number (1341360).

Almost surely, 2^25118265 is an apocalyptic number.

It is an amenable number.

25118265 is a deficient number, since it is larger than the sum of its proper divisors (17805255).

25118265 is a wasteful number, since it uses less digits than its factorization.

25118265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its digits is 4800, while the sum is 30.

The square root of 25118265 is about 5011.8125463748. The cubic root of 25118265 is about 292.8621272770.

The spelling of 25118265 in words is "twenty-five million, one hundred eighteen thousand, two hundred sixty-five".