25797008 has 40 divisors (see below), whose sum is σ = 52731000. Its totient is φ = 12207104.

The previous prime is 25796999. The next prime is 25797011. The reversal of 25797008 is 80079752.

It can be written as a sum of positive squares in 4 ways, for example, as 12166144 + 13630864 = 3488^2 + 3692^2 .

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, 24068 + ... + 25116.

It is an arithmetic number, because the mean of its divisors is an integer number (1318275).

Almost surely, 2^25797008 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 25797008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26365500).

25797008 is an abundant number, since it is smaller than the sum of its proper divisors (26933992).

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

25797008 is a wasteful number, since it uses less digits than its factorization.

25797008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 25797008 is about 5079.0755064283. The cubic root of 25797008 is about 295.4766134436.

The spelling of 25797008 in words is "twenty-five million, seven hundred ninety-seven thousand, eight".