25465427 has 16 divisors (see below), whose sum is σ = 28160160. Its totient is φ = 23021856.

The previous prime is 25465421. The next prime is 25465459. The reversal of 25465427 is 72456452.

It is not a de Polignac number, because 25465427 - 2⁸ = 25465171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25465421) 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, 147113 + ... + 147285.

It is an arithmetic number, because the mean of its divisors is an integer number (1760010).

Almost surely, 2^25465427 is an apocalyptic number.

25465427 is a deficient number, since it is larger than the sum of its proper divisors (2694733).

25465427 is an equidigital number, since it uses as much as digits as its factorization.

25465427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 253 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 25465427 is about 5046.3280709839. The cubic root of 25465427 is about 294.2051840234.

Subtracting 25465427 from its reverse (72456452), we obtain a square (46991025 = 6855²).

The spelling of 25465427 in words is "twenty-five million, four hundred sixty-five thousand, four hundred twenty-seven".