25668572 has 24 divisors (see below), whose sum is σ = 47814480. Its totient is φ = 12015360.

The previous prime is 25668557. The next prime is 25668607. The reversal of 25668572 is 27586652.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 13454 + ... + 15242.

It is an arithmetic number, because the mean of its divisors is an integer number (1992270).

Almost surely, 2^25668572 is an apocalyptic number.

It is an amenable number.

25668572 is a deficient number, since it is larger than the sum of its proper divisors (22145908).

25668572 is a wasteful number, since it uses less digits than its factorization.

25668572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021 (or 2019 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 25668572 is about 5066.4160902950. The cubic root of 25668572 is about 294.9854325853.

The spelling of 25668572 in words is "twenty-five million, six hundred sixty-eight thousand, five hundred seventy-two".