25132155 has 32 divisors (see below), whose sum is σ = 42666240. Its totient is φ = 12597120.

The previous prime is 25132141. The next prime is 25132181. The reversal of 25132155 is 55123152.

It is a happy number.

It is not a de Polignac number, because 25132155 - 2⁶ = 25132091 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46185 + ... + 46725.

It is an arithmetic number, because the mean of its divisors is an integer number (1333320).

Almost surely, 2^25132155 is an apocalyptic number.

25132155 is a deficient number, since it is larger than the sum of its proper divisors (17534085).

25132155 is a wasteful number, since it uses less digits than its factorization.

25132155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its digits is 1500, while the sum is 24.

The square root of 25132155 is about 5013.1980810656. The cubic root of 25132155 is about 292.9161000250.

The spelling of 25132155 in words is "twenty-five million, one hundred thirty-two thousand, one hundred fifty-five".