25465137 has 4 divisors (see below), whose sum is σ = 33953520. Its totient is φ = 16976756.

The previous prime is 25465129. The next prime is 25465157. The reversal of 25465137 is 73156452.

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 a cyclic number.

It is not a de Polignac number, because 25465137 - 2³ = 25465129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25465098 and 25465107.

It is not an unprimeable number, because it can be changed into a prime (25465127) 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, 4244187 + ... + 4244192.

It is an arithmetic number, because the mean of its divisors is an integer number (8488380).

Almost surely, 2^25465137 is an apocalyptic number.

It is an amenable number.

25465137 is a deficient number, since it is larger than the sum of its proper divisors (8488383).

25465137 is an equidigital number, since it uses as much as digits as its factorization.

25465137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488382.

The product of its digits is 25200, while the sum is 33.

The square root of 25465137 is about 5046.2993371381. The cubic root of 25465137 is about 294.2040672174.

The spelling of 25465137 in words is "twenty-five million, four hundred sixty-five thousand, one hundred thirty-seven".