25971608 has 16 divisors (see below), whose sum is σ = 52442880. Its totient is φ = 11986848.

The previous prime is 25971601. The next prime is 25971619. The reversal of 25971608 is 80617952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25971601) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 124760 + ... + 124967.

It is an arithmetic number, because the mean of its divisors is an integer number (3277680).

Almost surely, 2^25971608 is an apocalyptic number.

It is an amenable number.

25971608 is an abundant number, since it is smaller than the sum of its proper divisors (26471272).

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

25971608 is a wasteful number, since it uses less digits than its factorization.

25971608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249746 (or 249742 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 25971608 is about 5096.2346884734. The cubic root of 25971608 is about 296.1417327081.

The spelling of 25971608 in words is "twenty-five million, nine hundred seventy-one thousand, six hundred eight".