2256347263 has 4 divisors (see below), whose sum is σ = 2261732760. Its totient is φ = 2250961768.

The previous prime is 2256347257. The next prime is 2256347273. The reversal of 2256347263 is 3627436522.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2256347263 is a prime.

It is a super-2 number, since 2×2256347263² = 10182205942495182338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256347273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692120 + ... + 2692957.

It is an arithmetic number, because the mean of its divisors is an integer number (565433190).

Almost surely, 2^2256347263 is an apocalyptic number.

2256347263 is a deficient number, since it is larger than the sum of its proper divisors (5385497).

2256347263 is an equidigital number, since it uses as much as digits as its factorization.

2256347263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385496.

The product of its digits is 362880, while the sum is 40.

The square root of 2256347263 is about 47501.0238100191. The cubic root of 2256347263 is about 1311.6017280165.

The spelling of 2256347263 in words is "two billion, two hundred fifty-six million, three hundred forty-seven thousand, two hundred sixty-three".