25905323 has 6 divisors (see below), whose sum is σ = 26830284. Its totient is φ = 25011224.

The previous prime is 25905301. The next prime is 25905353. The reversal of 25905323 is 32350952.

It is not a de Polignac number, because 25905323 - 2⁶ = 25905259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25905353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14561 + ... + 16242.

It is an arithmetic number, because the mean of its divisors is an integer number (4471714).

Almost surely, 2^25905323 is an apocalyptic number.

25905323 is a deficient number, since it is larger than the sum of its proper divisors (924961).

25905323 is an equidigital number, since it uses as much as digits as its factorization.

25905323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30861 (or 30832 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 25905323 is about 5089.7272029059. The cubic root of 25905323 is about 295.8895794308.

The spelling of 25905323 in words is "twenty-five million, nine hundred five thousand, three hundred twenty-three".