25539832223 has 4 divisors (see below), whose sum is σ = 25826796720. Its totient is φ = 25252867728.

The previous prime is 25539832193. The next prime is 25539832261. The reversal of 25539832223 is 32223893552.

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 25539832223 - 2¹⁶ = 25539766687 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 (25539832823) 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, 143482115 + ... + 143482292.

It is an arithmetic number, because the mean of its divisors is an integer number (6456699180).

Almost surely, 2^25539832223 is an apocalyptic number.

25539832223 is a deficient number, since it is larger than the sum of its proper divisors (286964497).

25539832223 is an equidigital number, since it uses as much as digits as its factorization.

25539832223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286964496.

The product of its digits is 777600, while the sum is 44.

The spelling of 25539832223 in words is "twenty-five billion, five hundred thirty-nine million, eight hundred thirty-two thousand, two hundred twenty-three".