25265940 has 96 divisors (see below), whose sum is σ = 82790400. Its totient is φ = 5636736.

The previous prime is 25265923. The next prime is 25265987. The reversal of 25265940 is 4956252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17361 + ... + 18759.

It is an arithmetic number, because the mean of its divisors is an integer number (862400).

Almost surely, 2^25265940 is an apocalyptic number.

25265940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25265940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41395200).

25265940 is an abundant number, since it is smaller than the sum of its proper divisors (57524460).

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

25265940 is a wasteful number, since it uses less digits than its factorization.

25265940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1459 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 25265940 is about 5026.5236496012. The cubic root of 25265940 is about 293.4349366809.

The spelling of 25265940 in words is "twenty-five million, two hundred sixty-five thousand, nine hundred forty".