25116648 has 16 divisors (see below), whose sum is σ = 62791680. Its totient is φ = 8372208.

The previous prime is 25116643. The next prime is 25116649. The reversal of 25116648 is 84661152.

It is not an unprimeable number, because it can be changed into a prime (25116643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523240 + ... + 523287.

It is an arithmetic number, because the mean of its divisors is an integer number (3924480).

Almost surely, 2^25116648 is an apocalyptic number.

It is an amenable number.

25116648 is an abundant number, since it is smaller than the sum of its proper divisors (37675032).

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

25116648 is a wasteful number, since it uses less digits than its factorization.

25116648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046536 (or 1046532 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 25116648 is about 5011.6512248958. The cubic root of 25116648 is about 292.8558427636.

The spelling of 25116648 in words is "twenty-five million, one hundred sixteen thousand, six hundred forty-eight".