25881324 has 48 divisors (see below), whose sum is σ = 70162176. Its totient is φ = 7272000.

The previous prime is 25881307. The next prime is 25881341. The reversal of 25881324 is 42318852.

It is an interprime number because it is at equal distance from previous prime (25881307) and next prime (25881341).

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, 2599 + ... + 7649.

It is an arithmetic number, because the mean of its divisors is an integer number (1461712).

Almost surely, 2^25881324 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 25881324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35081088).

25881324 is an abundant number, since it is smaller than the sum of its proper divisors (44280852).

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

25881324 is a wasteful number, since it uses less digits than its factorization.

25881324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126 (or 5124 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 25881324 is about 5087.3690646541. The cubic root of 25881324 is about 295.7981793225.

The spelling of 25881324 in words is "twenty-five million, eight hundred eighty-one thousand, three hundred twenty-four".