25583232 has 64 divisors (see below), whose sum is σ = 71971200. Its totient is φ = 8024064.

The previous prime is 25583227. The next prime is 25583279. The reversal of 25583232 is 23238552.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 25583232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4569 + ... + 8487.

It is an arithmetic number, because the mean of its divisors is an integer number (1124550).

Almost surely, 2^25583232 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 25583232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35985600).

25583232 is an abundant number, since it is smaller than the sum of its proper divisors (46387968).

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

25583232 is a wasteful number, since it uses less digits than its factorization.

25583232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3941 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 25583232 is about 5057.9869513473. The cubic root of 25583232 is about 294.6581580867.

The spelling of 25583232 in words is "twenty-five million, five hundred eighty-three thousand, two hundred thirty-two".