2255791243 has 4 divisors (see below), whose sum is σ = 2256561720. Its totient is φ = 2255020768.

The previous prime is 2255791231. The next prime is 2255791253. The reversal of 2255791243 is 3421975522.

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 2255791243 - 2⁵ = 2255791211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2255791196 and 2255791205.

It is not an unprimeable number, because it can be changed into a prime (2255791253) 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, 380830 + ... + 386707.

It is an arithmetic number, because the mean of its divisors is an integer number (564140430).

Almost surely, 2^2255791243 is an apocalyptic number.

2255791243 is a deficient number, since it is larger than the sum of its proper divisors (770477).

2255791243 is an equidigital number, since it uses as much as digits as its factorization.

2255791243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770476.

The product of its digits is 151200, while the sum is 40.

The square root of 2255791243 is about 47495.1707334546. The cubic root of 2255791243 is about 1311.4939820862.

The spelling of 2255791243 in words is "two billion, two hundred fifty-five million, seven hundred ninety-one thousand, two hundred forty-three".