25811296 has 48 divisors (see below), whose sum is σ = 59058720. Its totient is φ = 10874880.

The previous prime is 25811273. The next prime is 25811339. The reversal of 25811296 is 69211852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12720 + ... + 14608.

It is an arithmetic number, because the mean of its divisors is an integer number (1230390).

Almost surely, 2^25811296 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 25811296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29529360).

25811296 is an abundant number, since it is smaller than the sum of its proper divisors (33247424).

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

25811296 is a wasteful number, since it uses less digits than its factorization.

25811296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1959 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 25811296 is about 5080.4818669099. The cubic root of 25811296 is about 295.5311545318.

The spelling of 25811296 in words is "twenty-five million, eight hundred eleven thousand, two hundred ninety-six".