25322939 has 4 divisors (see below), whose sum is σ = 26139840. Its totient is φ = 24506040.

The previous prime is 25322929. The next prime is 25322959. The reversal of 25322939 is 93922352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25322939 - 2⁸ = 25322683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25322899 and 25322908.

It is not an unprimeable number, because it can be changed into a prime (25322929) 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 3 ways as a sum of consecutive naturals, for example, 408404 + ... + 408465.

It is an arithmetic number, because the mean of its divisors is an integer number (6534960).

Almost surely, 2^25322939 is an apocalyptic number.

25322939 is a deficient number, since it is larger than the sum of its proper divisors (816901).

25322939 is an equidigital number, since it uses as much as digits as its factorization.

25322939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816900.

The product of its digits is 29160, while the sum is 35.

The square root of 25322939 is about 5032.1902785964. The cubic root of 25322939 is about 293.6554303090.

The spelling of 25322939 in words is "twenty-five million, three hundred twenty-two thousand, nine hundred thirty-nine".