25881296 has 40 divisors (see below), whose sum is σ = 58180800. Its totient is φ = 10923264.

The previous prime is 25881283. The next prime is 25881301. The reversal of 25881296 is 69218852.

It is a congruent number.

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, 5780 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (1454520).

Almost surely, 2^25881296 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 25881296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29090400).

25881296 is an abundant number, since it is smaller than the sum of its proper divisors (32299504).

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

25881296 is a wasteful number, since it uses less digits than its factorization.

25881296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531 (or 3525 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 25881296 is about 5087.3663127398. The cubic root of 25881296 is about 295.7980726516.

The spelling of 25881296 in words is "twenty-five million, eight hundred eighty-one thousand, two hundred ninety-six".