25961952 has 24 divisors (see below), whose sum is σ = 68150376. Its totient is φ = 8653952.

The previous prime is 25961933. The next prime is 25961977. The reversal of 25961952 is 25916952.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 25961952.

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, 135123 + ... + 135314.

It is an arithmetic number, because the mean of its divisors is an integer number (2839599).

Almost surely, 2^25961952 is an apocalyptic number.

It is an amenable number.

25961952 is an abundant number, since it is smaller than the sum of its proper divisors (42188424).

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

25961952 is a wasteful number, since it uses less digits than its factorization.

25961952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270450 (or 270442 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 25961952 is about 5095.2872342980. The cubic root of 25961952 is about 296.1050272536.

The spelling of 25961952 in words is "twenty-five million, nine hundred sixty-one thousand, nine hundred fifty-two".