25908612 has 48 divisors (see below), whose sum is σ = 64774080. Its totient is φ = 8031232.

The previous prime is 25908599. The next prime is 25908613. The reversal of 25908612 is 21680952.

It is not an unprimeable number, because it can be changed into a prime (25908613) 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 15 ways as a sum of consecutive naturals, for example, 17443 + ... + 18869.

It is an arithmetic number, because the mean of its divisors is an integer number (1349460).

Almost surely, 2^25908612 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 25908612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32387040).

25908612 is an abundant number, since it is smaller than the sum of its proper divisors (38865468).

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

25908612 is a wasteful number, since it uses less digits than its factorization.

25908612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 25908612 is about 5090.0502944470. The cubic root of 25908612 is about 295.9021011771.

The spelling of 25908612 in words is "twenty-five million, nine hundred eight thousand, six hundred twelve".