25582365 has 64 divisors (see below), whose sum is σ = 49144320. Its totient is φ = 12579840.

The previous prime is 25582357. The next prime is 25582367. The reversal of 25582365 is 56328552.

It is a happy number.

It is not a de Polignac number, because 25582365 - 2³ = 25582357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25582367) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 162867 + ... + 163023.

It is an arithmetic number, because the mean of its divisors is an integer number (767880).

Almost surely, 2^25582365 is an apocalyptic number.

It is an amenable number.

25582365 is a deficient number, since it is larger than the sum of its proper divisors (23561955).

25582365 is a wasteful number, since it uses less digits than its factorization.

25582365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

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

The square root of 25582365 is about 5057.9012445875. The cubic root of 25582365 is about 294.6548294545.

The spelling of 25582365 in words is "twenty-five million, five hundred eighty-two thousand, three hundred sixty-five".