25652665 has 8 divisors (see below), whose sum is σ = 31082688. Its totient is φ = 20322480.

The previous prime is 25652663. The next prime is 25652699. The reversal of 25652665 is 56625652.

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

It is not a de Polignac number, because 25652665 - 2¹ = 25652663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25652663) 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, 24391 + ... + 25420.

It is an arithmetic number, because the mean of its divisors is an integer number (3885336).

Almost surely, 2^25652665 is an apocalyptic number.

It is an amenable number.

25652665 is a deficient number, since it is larger than the sum of its proper divisors (5430023).

25652665 is a wasteful number, since it uses less digits than its factorization.

25652665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49919.

The product of its digits is 108000, while the sum is 37.

The square root of 25652665 is about 5064.8459996332. The cubic root of 25652665 is about 294.9244851239.

The spelling of 25652665 in words is "twenty-five million, six hundred fifty-two thousand, six hundred sixty-five".