25112472 has 128 divisors (see below), whose sum is σ = 79626240. Its totient is φ = 6410880.

The previous prime is 25112443. The next prime is 25112491. The reversal of 25112472 is 27421152.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197673 + ... + 197799.

It is an arithmetic number, because the mean of its divisors is an integer number (622080).

Almost surely, 2^25112472 is an apocalyptic number.

25112472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25112472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39813120).

25112472 is an abundant number, since it is smaller than the sum of its proper divisors (54513768).

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

25112472 is a wasteful number, since it uses less digits than its factorization.

25112472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 257 counting only the distinct ones).

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

The square root of 25112472 is about 5011.2345784248. The cubic root of 25112472 is about 292.8396113808.

The spelling of 25112472 in words is "twenty-five million, one hundred twelve thousand, four hundred seventy-two".