25572679 has 8 divisors (see below), whose sum is σ = 28159488. Its totient is φ = 23029560.

The previous prime is 25572671. The next prime is 25572683. The reversal of 25572679 is 97627552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25572679 - 2³ = 25572671 is a prime.

It is a super-2 number, since 2×25572679² = 1307923822474082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25572671) 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, 9687 + ... + 12040.

It is an arithmetic number, because the mean of its divisors is an integer number (3519936).

Almost surely, 2^25572679 is an apocalyptic number.

25572679 is a deficient number, since it is larger than the sum of its proper divisors (2586809).

25572679 is a wasteful number, since it uses less digits than its factorization.

25572679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21845.

The product of its digits is 264600, while the sum is 43.

The square root of 25572679 is about 5056.9436421617. The cubic root of 25572679 is about 294.6176373373.

The spelling of 25572679 in words is "twenty-five million, five hundred seventy-two thousand, six hundred seventy-nine".