25232165 has 16 divisors (see below), whose sum is σ = 36640512. Its totient is φ = 16283904.

The previous prime is 25232161. The next prime is 25232177. The reversal of 25232165 is 56123252.

It is not a de Polignac number, because 25232165 - 2² = 25232161 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25232161) 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, 20609 + ... + 21798.

It is an arithmetic number, because the mean of its divisors is an integer number (2290032).

Almost surely, 2^25232165 is an apocalyptic number.

It is an amenable number.

25232165 is a deficient number, since it is larger than the sum of its proper divisors (11408347).

25232165 is a wasteful number, since it uses less digits than its factorization.

25232165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42436.

The product of its digits is 3600, while the sum is 26.

The square root of 25232165 is about 5023.1628482461. The cubic root of 25232165 is about 293.3041257363.

The spelling of 25232165 in words is "twenty-five million, two hundred thirty-two thousand, one hundred sixty-five".