25696132 has 48 divisors (see below), whose sum is σ = 59028480. Its totient is φ = 9482400.

The previous prime is 25696109. The next prime is 25696141. The reversal of 25696132 is 23169652.

It is a super-2 number, since 2×25696132² = 1320582399522848, which contains 22 as substring.

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, 3657 + ... + 8047.

It is an arithmetic number, because the mean of its divisors is an integer number (1229760).

Almost surely, 2^25696132 is an apocalyptic number.

25696132 is a gapful number since it is divisible by the number (22) 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 25696132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29514240).

25696132 is an abundant number, since it is smaller than the sum of its proper divisors (33332348).

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

25696132 is a wasteful number, since it uses less digits than its factorization.

25696132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432 (or 4430 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 25696132 is about 5069.1352319700. The cubic root of 25696132 is about 295.0909687852.

The spelling of 25696132 in words is "twenty-five million, six hundred ninety-six thousand, one hundred thirty-two".