25396765 has 8 divisors (see below), whose sum is σ = 30590208. Its totient is φ = 20241360.

The previous prime is 25396757. The next prime is 25396769. The reversal of 25396765 is 56769352.

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

It is not a de Polignac number, because 25396765 - 2³ = 25396757 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 (25396769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8017 + ... + 10726.

It is an arithmetic number, because the mean of its divisors is an integer number (3823776).

Almost surely, 2^25396765 is an apocalyptic number.

It is an amenable number.

25396765 is a deficient number, since it is larger than the sum of its proper divisors (5193443).

25396765 is a wasteful number, since it uses less digits than its factorization.

25396765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19019.

The product of its digits is 340200, while the sum is 43.

The square root of 25396765 is about 5039.5203144744. The cubic root of 25396765 is about 293.9405258628.

The spelling of 25396765 in words is "twenty-five million, three hundred ninety-six thousand, seven hundred sixty-five".