25445265 has 16 divisors (see below), whose sum is σ = 42026496. Its totient is φ = 13132800.

The previous prime is 25445257. The next prime is 25445269. The reversal of 25445265 is 56254452.

It is not a de Polignac number, because 25445265 - 2³ = 25445257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25445269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26896 + ... + 27825.

It is an arithmetic number, because the mean of its divisors is an integer number (2626656).

Almost surely, 2^25445265 is an apocalyptic number.

It is an amenable number.

25445265 is a deficient number, since it is larger than the sum of its proper divisors (16581231).

25445265 is a wasteful number, since it uses less digits than its factorization.

25445265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54760.

The product of its digits is 48000, while the sum is 33.

The square root of 25445265 is about 5044.3299852409. The cubic root of 25445265 is about 294.1275188412.

The spelling of 25445265 in words is "twenty-five million, four hundred forty-five thousand, two hundred sixty-five".