25328868 has 24 divisors (see below), whose sum is σ = 60699072. Its totient is φ = 8214624.

The previous prime is 25328867. The next prime is 25328869. The reversal of 25328868 is 86882352.

It is an interprime number because it is at equal distance from previous prime (25328867) and next prime (25328869).

It is a super-2 number, since 2×25328868² = 1283103108322848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25328867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28080 + ... + 28967.

It is an arithmetic number, because the mean of its divisors is an integer number (2529128).

Almost surely, 2^25328868 is an apocalyptic number.

It is an amenable number.

25328868 is an abundant number, since it is smaller than the sum of its proper divisors (35370204).

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

25328868 is a wasteful number, since it uses less digits than its factorization.

25328868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57091 (or 57089 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 25328868 is about 5032.7793514121. The cubic root of 25328868 is about 293.6783469115.

The spelling of 25328868 in words is "twenty-five million, three hundred twenty-eight thousand, eight hundred sixty-eight".