25795290 has 64 divisors (see below), whose sum is σ = 67371264. Its totient is φ = 6294528.

The previous prime is 25795283. The next prime is 25795309. The reversal of 25795290 is 9259752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18187 + ... + 19553.

It is an arithmetic number, because the mean of its divisors is an integer number (1052676).

Almost surely, 2^25795290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25795290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33685632).

25795290 is an abundant number, since it is smaller than the sum of its proper divisors (41575974).

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

25795290 is a wasteful number, since it uses less digits than its factorization.

25795290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 25795290 is about 5078.9063783456. The cubic root of 25795290 is about 295.4700540255.

The spelling of 25795290 in words is "twenty-five million, seven hundred ninety-five thousand, two hundred ninety".