25296648 has 64 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 7687680.

The previous prime is 25296643. The next prime is 25296701. The reversal of 25296648 is 84669252.

It is not an unprimeable number, because it can be changed into a prime (25296643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27313 + ... + 28223.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^25296648 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 25296648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34473600).

25296648 is an abundant number, since it is smaller than the sum of its proper divisors (43650552).

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

25296648 is a wasteful number, since it uses less digits than its factorization.

25296648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1018 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 25296648 is about 5029.5773182247. The cubic root of 25296648 is about 293.5537679606.

The spelling of 25296648 in words is "twenty-five million, two hundred ninety-six thousand, six hundred forty-eight".