25650864 has 40 divisors (see below), whose sum is σ = 73628720. Its totient is φ = 8550144.

The previous prime is 25650851. The next prime is 25650881. The reversal of 25650864 is 46805652.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29257 + ... + 30120.

It is an arithmetic number, because the mean of its divisors is an integer number (1840718).

Almost surely, 2^25650864 is an apocalyptic number.

25650864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25650864 is an abundant number, since it is smaller than the sum of its proper divisors (47977856).

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

25650864 is a wasteful number, since it uses less digits than its factorization.

25650864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59394 (or 59382 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 25650864 is about 5064.6682023603. The cubic root of 25650864 is about 294.9175830284.

The spelling of 25650864 in words is "twenty-five million, six hundred fifty thousand, eight hundred sixty-four".