25560432 has 60 divisors (see below), whose sum is σ = 72104760. Its totient is φ = 8452224.

The previous prime is 25560389. The next prime is 25560463. The reversal of 25560432 is 23406552.

25560432 is a `hidden beast` number, since 2 + 55 + 604 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25560396 and 25560405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19378 + ... + 20654.

It is an arithmetic number, because the mean of its divisors is an integer number (1201746).

Almost surely, 2^25560432 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 25560432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36052380).

25560432 is an abundant number, since it is smaller than the sum of its proper divisors (46544328).

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

25560432 is a wasteful number, since it uses less digits than its factorization.

25560432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 25560432 is about 5055.7325878650. The cubic root of 25560432 is about 294.5705980947.

Adding to 25560432 its reverse (23406552), we get a palindrome (48966984).

The spelling of 25560432 in words is "twenty-five million, five hundred sixty thousand, four hundred thirty-two".