25135227 has 12 divisors (see below), whose sum is σ = 39099424. Its totient is φ = 15467760.

The previous prime is 25135213. The next prime is 25135237. The reversal of 25135227 is 72253152.

It is not a de Polignac number, because 25135227 - 2¹¹ = 25133179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25135227.

It is not an unprimeable number, because it can be changed into a prime (25135237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107299 + ... + 107532.

Almost surely, 2^25135227 is an apocalyptic number.

25135227 is a deficient number, since it is larger than the sum of its proper divisors (13964197).

25135227 is a wasteful number, since it uses less digits than its factorization.

25135227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214850 (or 214847 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 25135227 is about 5013.5044629480. The cubic root of 25135227 is about 292.9280342927.

Adding to 25135227 its reverse (72253152), we get a palindrome (97388379).

The spelling of 25135227 in words is "twenty-five million, one hundred thirty-five thousand, two hundred twenty-seven".