25961588 has 12 divisors (see below), whose sum is σ = 45669540. Its totient is φ = 12913152.

The previous prime is 25961563. The next prime is 25961597. The reversal of 25961588 is 88516952.

It can be written as a sum of positive squares in 2 ways, for example, as 5513104 + 20448484 = 2348^2 + 4522^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16043 + ... + 17586.

It is an arithmetic number, because the mean of its divisors is an integer number (3805795).

Almost surely, 2^25961588 is an apocalyptic number.

It is an amenable number.

25961588 is a deficient number, since it is larger than the sum of its proper divisors (19707952).

25961588 is a wasteful number, since it uses less digits than its factorization.

25961588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33826 (or 33824 counting only the distinct ones).

The product of its digits is 172800, while the sum is 44.

The square root of 25961588 is about 5095.2515148911. The cubic root of 25961588 is about 296.1036433986.

The spelling of 25961588 in words is "twenty-five million, nine hundred sixty-one thousand, five hundred eighty-eight".