25683648 has 28 divisors (see below), whose sum is σ = 67955160. Its totient is φ = 8561152.

The previous prime is 25683643. The next prime is 25683653. The reversal of 25683648 is 84638652.

It is an interprime number because it is at equal distance from previous prime (25683643) and next prime (25683653).

It is not an unprimeable number, because it can be changed into a prime (25683643) 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, 66693 + ... + 67076.

It is an arithmetic number, because the mean of its divisors is an integer number (2426970).

Almost surely, 2^25683648 is an apocalyptic number.

It is an amenable number.

25683648 is an abundant number, since it is smaller than the sum of its proper divisors (42271512).

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

25683648 is a wasteful number, since it uses less digits than its factorization.

25683648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133784 (or 133774 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 25683648 is about 5067.9037086354. The cubic root of 25683648 is about 295.0431728445.

It can be divided in two parts, 2568 and 3648, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 25683648 in words is "twenty-five million, six hundred eighty-three thousand, six hundred forty-eight".