25965884 has 36 divisors (see below), whose sum is σ = 53300016. Its totient is φ = 11035584.

The previous prime is 25965869. The next prime is 25965889. The reversal of 25965884 is 48856952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25965889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26369 + ... + 27335.

It is an arithmetic number, because the mean of its divisors is an integer number (1480556).

Almost surely, 2^25965884 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 25965884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26650008).

25965884 is an abundant number, since it is smaller than the sum of its proper divisors (27334132).

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

25965884 is a wasteful number, since it uses less digits than its factorization.

25965884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1113 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The square root of 25965884 is about 5095.6730664359. The cubic root of 25965884 is about 296.1199751049.

The spelling of 25965884 in words is "twenty-five million, nine hundred sixty-five thousand, eight hundred eighty-four".