25165245 has 32 divisors (see below), whose sum is σ = 46782720. Its totient is φ = 11312640.

The previous prime is 25165241. The next prime is 25165279. The reversal of 25165245 is 54256152.

It is not a de Polignac number, because 25165245 - 2² = 25165241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25165241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4441 + ... + 8369.

It is an arithmetic number, because the mean of its divisors is an integer number (1461960).

Almost surely, 2^25165245 is an apocalyptic number.

It is an amenable number.

25165245 is a deficient number, since it is larger than the sum of its proper divisors (21617475).

25165245 is a wasteful number, since it uses less digits than its factorization.

25165245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005.

The product of its digits is 12000, while the sum is 30.

The square root of 25165245 is about 5016.4972839622. The cubic root of 25165245 is about 293.0445986618.

The spelling of 25165245 in words is "twenty-five million, one hundred sixty-five thousand, two hundred forty-five".