25280576 has 56 divisors (see below), whose sum is σ = 53080920. Its totient is φ = 11927552.

The previous prime is 25280573. The next prime is 25280587. The reversal of 25280576 is 67508252.

It can be written as a sum of positive squares in 4 ways, for example, as 14258176 + 11022400 = 3776^2 + 3320^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25280573) 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, 98240 + ... + 98496.

Almost surely, 2^25280576 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 25280576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26540460).

25280576 is an abundant number, since it is smaller than the sum of its proper divisors (27800344).

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

25280576 is a wasteful number, since it uses less digits than its factorization.

25280576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 25280576 is about 5027.9793157888. The cubic root of 25280576 is about 293.4915858659.

The spelling of 25280576 in words is "twenty-five million, two hundred eighty thousand, five hundred seventy-six".