25832565 has 48 divisors (see below), whose sum is σ = 50993280. Its totient is φ = 11975040.

The previous prime is 25832561. The next prime is 25832567. The reversal of 25832565 is 56523852.

It is a happy number.

It is not a de Polignac number, because 25832565 - 2² = 25832561 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25832561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10251 + ... + 12519.

It is an arithmetic number, because the mean of its divisors is an integer number (1062360).

Almost surely, 2^25832565 is an apocalyptic number.

It is an amenable number.

25832565 is a deficient number, since it is larger than the sum of its proper divisors (25160715).

25832565 is a wasteful number, since it uses less digits than its factorization.

25832565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2311 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 25832565 is about 5082.5746428360. The cubic root of 25832565 is about 295.6123066808.

It can be divided in two parts, 258 and 32565, that added together give a palindrome (32823).

The spelling of 25832565 in words is "twenty-five million, eight hundred thirty-two thousand, five hundred sixty-five".