25580048 has 40 divisors (see below), whose sum is σ = 55704768. Its totient is φ = 11290752.

The previous prime is 25580047. The next prime is 25580063. The reversal of 25580048 is 84008552.

It is a junction number, because it is equal to n+sod(n) for n = 25579996 and 25580023.

It is not an unprimeable number, because it can be changed into a prime (25580047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111 + ... + 7457.

Almost surely, 2^25580048 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 25580048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27852384).

25580048 is an abundant number, since it is smaller than the sum of its proper divisors (30124720).

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

25580048 is a wasteful number, since it uses less digits than its factorization.

25580048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391 (or 5385 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 25580048 is about 5057.6721918290. The cubic root of 25580048 is about 294.6459335366.

The spelling of 25580048 in words is "twenty-five million, five hundred eighty thousand, forty-eight".