25264137 has 8 divisors (see below), whose sum is σ = 33708736. Its totient is φ = 16831152.

The previous prime is 25264123. The next prime is 25264153. The reversal of 25264137 is 73146252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25264137 - 2⁶ = 25264073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25264117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7203 + ... + 10119.

It is an arithmetic number, because the mean of its divisors is an integer number (4213592).

Almost surely, 2^25264137 is an apocalyptic number.

It is an amenable number.

25264137 is a deficient number, since it is larger than the sum of its proper divisors (8444599).

25264137 is a wasteful number, since it uses less digits than its factorization.

25264137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807.

The product of its digits is 10080, while the sum is 30.

The square root of 25264137 is about 5026.3442977974. The cubic root of 25264137 is about 293.4279565887.

The spelling of 25264137 in words is "twenty-five million, two hundred sixty-four thousand, one hundred thirty-seven".