25823265 has 32 divisors (see below), whose sum is σ = 44841216. Its totient is φ = 12614400.

The previous prime is 25823219. The next prime is 25823269. The reversal of 25823265 is 56232852.

It is not a de Polignac number, because 25823265 - 2¹⁰ = 25822241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25823269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29007 + ... + 29883.

It is an arithmetic number, because the mean of its divisors is an integer number (1401288).

Almost surely, 2^25823265 is an apocalyptic number.

It is an amenable number.

25823265 is a deficient number, since it is larger than the sum of its proper divisors (19017951).

25823265 is a wasteful number, since it uses less digits than its factorization.

25823265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its digits is 28800, while the sum is 33.

The square root of 25823265 is about 5081.6596698323. The cubic root of 25823265 is about 295.5768278910.

The spelling of 25823265 in words is "twenty-five million, eight hundred twenty-three thousand, two hundred sixty-five".