25626648 has 16 divisors (see below), whose sum is σ = 64066680. Its totient is φ = 8542208.

The previous prime is 25626641. The next prime is 25626673. The reversal of 25626648 is 84662652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25626641) 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, 533865 + ... + 533912.

Almost surely, 2^25626648 is an apocalyptic number.

It is an amenable number.

25626648 is an abundant number, since it is smaller than the sum of its proper divisors (38440032).

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

25626648 is a wasteful number, since it uses less digits than its factorization.

25626648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067786 (or 1067782 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 25626648 is about 5062.2769580496. The cubic root of 25626648 is about 294.8247470031.

The spelling of 25626648 in words is "twenty-five million, six hundred twenty-six thousand, six hundred forty-eight".