25959408 has 80 divisors (see below), whose sum is σ = 73522080. Its totient is φ = 7856128.

The previous prime is 25959407. The next prime is 25959421. The reversal of 25959408 is 80495952.

It is a self number, because there is not a number n which added to its sum of digits gives 25959408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25959403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23116 + ... + 24212.

It is an arithmetic number, because the mean of its divisors is an integer number (919026).

Almost surely, 2^25959408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25959408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36761040).

25959408 is an abundant number, since it is smaller than the sum of its proper divisors (47562672).

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

25959408 is a wasteful number, since it uses less digits than its factorization.

25959408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 25959408 is about 5095.0375857299. The cubic root of 25959408 is about 296.0953552049.

The spelling of 25959408 in words is "twenty-five million, nine hundred fifty-nine thousand, four hundred eight".