25839263 has 4 divisors (see below), whose sum is σ = 25850568. Its totient is φ = 25827960.

The previous prime is 25839257. The next prime is 25839277. The reversal of 25839263 is 36293852.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25839263 - 2⁶ = 25839199 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 (25839223) 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, 881 + ... + 7242.

It is an arithmetic number, because the mean of its divisors is an integer number (6462642).

Almost surely, 2^25839263 is an apocalyptic number.

25839263 is a deficient number, since it is larger than the sum of its proper divisors (11305).

25839263 is an equidigital number, since it uses as much as digits as its factorization.

25839263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304.

The product of its digits is 77760, while the sum is 38.

The square root of 25839263 is about 5083.2335181457. The cubic root of 25839263 is about 295.6378537649.

The spelling of 25839263 in words is "twenty-five million, eight hundred thirty-nine thousand, two hundred sixty-three".