25925647 has 8 divisors (see below), whose sum is σ = 28328400. Its totient is φ = 23530560.

The previous prime is 25925621. The next prime is 25925651. The reversal of 25925647 is 74652952.

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 25925647 - 2¹⁵ = 25892879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25925617) 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, 6979 + ... + 10027.

It is an arithmetic number, because the mean of its divisors is an integer number (3541050).

Almost surely, 2^25925647 is an apocalyptic number.

25925647 is a deficient number, since it is larger than the sum of its proper divisors (2402753).

25925647 is a wasteful number, since it uses less digits than its factorization.

25925647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833.

The product of its digits is 151200, while the sum is 40.

The square root of 25925647 is about 5091.7233821173. The cubic root of 25925647 is about 295.9669391794.

The spelling of 25925647 in words is "twenty-five million, nine hundred twenty-five thousand, six hundred forty-seven".