25172412 has 24 divisors (see below), whose sum is σ = 59068800. Its totient is φ = 8343216.

The previous prime is 25172387. The next prime is 25172417. The reversal of 25172412 is 21427152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25172417) 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, 3712 + ... + 8007.

It is an arithmetic number, because the mean of its divisors is an integer number (2461200).

Almost surely, 2^25172412 is an apocalyptic number.

It is an amenable number.

25172412 is an abundant number, since it is smaller than the sum of its proper divisors (33896388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25172412 is a wasteful number, since it uses less digits than its factorization.

25172412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11905 (or 11903 counting only the distinct ones).

The product of its digits is 1120, while the sum is 24.

The square root of 25172412 is about 5017.2115761646. The cubic root of 25172412 is about 293.0724154820.

Adding to 25172412 its reverse (21427152), we get a palindrome (46599564).

The spelling of 25172412 in words is "twenty-five million, one hundred seventy-two thousand, four hundred twelve".