25865232 has 80 divisors (see below), whose sum is σ = 71424000. Its totient is φ = 8042112.

The previous prime is 25865209. The next prime is 25865263. The reversal of 25865232 is 23256852.

It is a junction number, because it is equal to n+sod(n) for n = 25865193 and 25865202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71869 + ... + 72227.

It is an arithmetic number, because the mean of its divisors is an integer number (892800).

Almost surely, 2^25865232 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 25865232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35712000).

25865232 is an abundant number, since it is smaller than the sum of its proper divisors (45558768).

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

25865232 is a wasteful number, since it uses less digits than its factorization.

25865232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 462 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 25865232 is about 5085.7872546932. The cubic root of 25865232 is about 295.7368613471.

The spelling of 25865232 in words is "twenty-five million, eight hundred sixty-five thousand, two hundred thirty-two".