25832839 has 4 divisors (see below), whose sum is σ = 25889824. Its totient is φ = 25775856.

The previous prime is 25832831. The next prime is 25832909. The reversal of 25832839 is 93823852.

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 25832839 - 2³ = 25832831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25832831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27807 + ... + 28720.

It is an arithmetic number, because the mean of its divisors is an integer number (6472456).

Almost surely, 2^25832839 is an apocalyptic number.

25832839 is a deficient number, since it is larger than the sum of its proper divisors (56985).

25832839 is an equidigital number, since it uses as much as digits as its factorization.

25832839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56984.

The product of its digits is 103680, while the sum is 40.

The square root of 25832839 is about 5082.6015976073. The cubic root of 25832839 is about 295.6133518408.

The spelling of 25832839 in words is "twenty-five million, eight hundred thirty-two thousand, eight hundred thirty-nine".