25232169 has 4 divisors (see below), whose sum is σ = 33642896. Its totient is φ = 16821444.

The previous prime is 25232161. The next prime is 25232177. The reversal of 25232169 is 96123252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25232161) and next prime (25232177).

It is not a de Polignac number, because 25232169 - 2³ = 25232161 is a prime.

It is a super-2 number, since 2×25232169² = 1273324704889122, which contains 22 as substring.

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

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 4205359 + ... + 4205364.

It is an arithmetic number, because the mean of its divisors is an integer number (8410724).

Almost surely, 2^25232169 is an apocalyptic number.

It is an amenable number.

25232169 is a deficient number, since it is larger than the sum of its proper divisors (8410727).

25232169 is an equidigital number, since it uses as much as digits as its factorization.

25232169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410726.

The product of its digits is 6480, while the sum is 30.

The square root of 25232169 is about 5023.1632464016. The cubic root of 25232169 is about 293.3041412352.

The spelling of 25232169 in words is "twenty-five million, two hundred thirty-two thousand, one hundred sixty-nine".