25405088 has 48 divisors (see below), whose sum is σ = 52668000. Its totient is φ = 12047616.

The previous prime is 25405069. The next prime is 25405091. The reversal of 25405088 is 88050452.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50663 + ... + 51161.

It is an arithmetic number, because the mean of its divisors is an integer number (1097250).

Almost surely, 2^25405088 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 25405088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26334000).

25405088 is an abundant number, since it is smaller than the sum of its proper divisors (27262912).

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

25405088 is a wasteful number, since it uses less digits than its factorization.

25405088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 581 counting only the distinct ones).

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

The square root of 25405088 is about 5040.3460198681. The cubic root of 25405088 is about 293.9726323114.

The spelling of 25405088 in words is "twenty-five million, four hundred five thousand, eighty-eight".