25865112 has 96 divisors (see below), whose sum is σ = 80110080. Its totient is φ = 6814080.

The previous prime is 25865111. The next prime is 25865123. The reversal of 25865112 is 21156852.

It is a self number, because there is not a number n which added to its sum of digits gives 25865112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25865111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27937 + ... + 28847.

It is an arithmetic number, because the mean of its divisors is an integer number (834480).

Almost surely, 2^25865112 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 25865112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40055040).

25865112 is an abundant number, since it is smaller than the sum of its proper divisors (54244968).

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

25865112 is a wasteful number, since it uses less digits than its factorization.

25865112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 936 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 25865112 is about 5085.7754570960. The cubic root of 25865112 is about 295.7364039960.

The spelling of 25865112 in words is "twenty-five million, eight hundred sixty-five thousand, one hundred twelve".