25986572 has 6 divisors (see below), whose sum is σ = 45476508. Its totient is φ = 12993284.

The previous prime is 25986559. The next prime is 25986637. The reversal of 25986572 is 27568952.

It is a super-2 number, since 2×25986572² = 1350603848622368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248318 + ... + 3248325.

It is an arithmetic number, because the mean of its divisors is an integer number (7579418).

Almost surely, 2^25986572 is an apocalyptic number.

It is an amenable number.

25986572 is a deficient number, since it is larger than the sum of its proper divisors (19489936).

25986572 is a wasteful number, since it uses less digits than its factorization.

25986572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496647 (or 6496645 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 25986572 is about 5097.7026198083. The cubic root of 25986572 is about 296.1985975490.

The spelling of 25986572 in words is "twenty-five million, nine hundred eighty-six thousand, five hundred seventy-two".