25574172 has 48 divisors (see below), whose sum is σ = 66491040. Its totient is φ = 7596288.

The previous prime is 25574167. The next prime is 25574173. The reversal of 25574172 is 27147552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25574173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698 + ... + 7350.

It is an arithmetic number, because the mean of its divisors is an integer number (1385230).

Almost surely, 2^25574172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25574172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33245520).

25574172 is an abundant number, since it is smaller than the sum of its proper divisors (40916868).

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

25574172 is a wasteful number, since it uses less digits than its factorization.

25574172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702 (or 5700 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 25574172 is about 5057.0912588167. The cubic root of 25574172 is about 294.6233707422.

The spelling of 25574172 in words is "twenty-five million, five hundred seventy-four thousand, one hundred seventy-two".