25295121 has 12 divisors (see below), whose sum is σ = 36880272. Its totient is φ = 16705176.

The previous prime is 25295117. The next prime is 25295141. The reversal of 25295121 is 12159252.

It is not a de Polignac number, because 25295121 - 2² = 25295117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25295141) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12171 + ... + 14096.

It is an arithmetic number, because the mean of its divisors is an integer number (3073356).

Almost surely, 2^25295121 is an apocalyptic number.

It is an amenable number.

25295121 is a deficient number, since it is larger than the sum of its proper divisors (11585151).

25295121 is a wasteful number, since it uses less digits than its factorization.

25295121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26380 (or 26377 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 25295121 is about 5029.4255139131. The cubic root of 25295121 is about 293.5478611751.

The spelling of 25295121 in words is "twenty-five million, two hundred ninety-five thousand, one hundred twenty-one".