25965260 has 24 divisors (see below), whose sum is σ = 55423536. Its totient is φ = 10215360.

The previous prime is 25965257. The next prime is 25965271. The reversal of 25965260 is 6256952.

It is a self number, because there is not a number n which added to its sum of digits gives 25965260.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9422 + ... + 11861.

It is an arithmetic number, because the mean of its divisors is an integer number (2309314).

Almost surely, 2^25965260 is an apocalyptic number.

25965260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25965260 is an abundant number, since it is smaller than the sum of its proper divisors (29458276).

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

25965260 is a wasteful number, since it uses less digits than its factorization.

25965260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21353 (or 21351 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 25965260 is about 5095.6118376501. The cubic root of 25965260 is about 296.1176030136.

The spelling of 25965260 in words is "twenty-five million, nine hundred sixty-five thousand, two hundred sixty".