25961832 has 48 divisors (see below), whose sum is σ = 75724740. Its totient is φ = 7987968.

The previous prime is 25961801. The next prime is 25961833. The reversal of 25961832 is 23816952.

25961832 is a `hidden beast` number, since 2 + 5 + 9 + 618 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25948836 + 12996 = 5094^2 + 114^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25961833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12933 + ... + 14804.

Almost surely, 2^25961832 is an apocalyptic number.

It is an amenable number.

25961832 is an abundant number, since it is smaller than the sum of its proper divisors (49762908).

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

25961832 is a wasteful number, since it uses less digits than its factorization.

25961832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27762 (or 27755 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 25961832 is about 5095.2754586970. The cubic root of 25961832 is about 296.1045710391.

The spelling of 25961832 in words is "twenty-five million, nine hundred sixty-one thousand, eight hundred thirty-two".