25133472 has 216 divisors, whose sum is σ = 90191556. Its totient is φ = 6580224.

The previous prime is 25133453. The next prime is 25133489. The reversal of 25133472 is 27433152.

It can be written as a sum of positive squares in 2 ways, for example, as 24561936 + 571536 = 4956^2 + 756^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (5040) is a multiple of the sum of its prime factors (180).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 183388 + ... + 183524.

Almost surely, 2^25133472 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 25133472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45095778).

25133472 is an abundant number, since it is smaller than the sum of its proper divisors (65058084).

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

25133472 is a wasteful number, since it uses less digits than its factorization.

25133472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 162 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 25133472 is about 5013.3294326226. The cubic root of 25133472 is about 292.9212164951.

The spelling of 25133472 in words is "twenty-five million, one hundred thirty-three thousand, four hundred seventy-two".