25352665 has 16 divisors (see below), whose sum is σ = 32961600. Its totient is φ = 18608832.

The previous prime is 25352653. The next prime is 25352741. The reversal of 25352665 is 56625352.

It is a cyclic number.

It is not a de Polignac number, because 25352665 - 2⁹ = 25352153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25352665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10546 + ... + 12724.

It is an arithmetic number, because the mean of its divisors is an integer number (2060100).

Almost surely, 2^25352665 is an apocalyptic number.

It is an amenable number.

25352665 is a deficient number, since it is larger than the sum of its proper divisors (7608935).

25352665 is a wasteful number, since it uses less digits than its factorization.

25352665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376.

The product of its digits is 54000, while the sum is 34.

The square root of 25352665 is about 5035.1429969764. The cubic root of 25352665 is about 293.7702904349.

The spelling of 25352665 in words is "twenty-five million, three hundred fifty-two thousand, six hundred sixty-five".