25959996 has 18 divisors (see below), whose sum is σ = 65621192. Its totient is φ = 8653320.

The previous prime is 25959979. The next prime is 25960007. The reversal of 25959996 is 69995952.

It is a tau number, because it is divible by the number of its divisors (18).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 360520 + ... + 360591.

Almost surely, 2^25959996 is an apocalyptic number.

It is an amenable number.

25959996 is an abundant number, since it is smaller than the sum of its proper divisors (39661196).

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

25959996 is a wasteful number, since it uses less digits than its factorization.

25959996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721121 (or 721116 counting only the distinct ones).

The product of its digits is 1968300, while the sum is 54.

The square root of 25959996 is about 5095.0952886084. The cubic root of 25959996 is about 296.0975907817.

The spelling of 25959996 in words is "twenty-five million, nine hundred fifty-nine thousand, nine hundred ninety-six".