25135412 has 24 divisors (see below), whose sum is σ = 46884096. Its totient is φ = 11763488.

The previous prime is 25135403. The next prime is 25135417. The reversal of 25135412 is 21453152.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25135417) 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, 1418 + ... + 7230.

It is an arithmetic number, because the mean of its divisors is an integer number (1953504).

Almost surely, 2^25135412 is an apocalyptic number.

It is an amenable number.

25135412 is a deficient number, since it is larger than the sum of its proper divisors (21748684).

25135412 is a wasteful number, since it uses less digits than its factorization.

25135412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887 (or 5885 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 25135412 is about 5013.5229130822. The cubic root of 25135412 is about 292.9287529594.

Adding to 25135412 its reverse (21453152), we get a palindrome (46588564).

The spelling of 25135412 in words is "twenty-five million, one hundred thirty-five thousand, four hundred twelve".