2256526771 has 4 divisors (see below), whose sum is σ = 2256913672. Its totient is φ = 2256139872.

The previous prime is 2256526763. The next prime is 2256526787. The reversal of 2256526771 is 1776256522.

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 2256526771 - 2³ = 2256526763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256526751) 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, 184566 + ... + 196411.

It is an arithmetic number, because the mean of its divisors is an integer number (564228418).

Almost surely, 2^2256526771 is an apocalyptic number.

2256526771 is a deficient number, since it is larger than the sum of its proper divisors (386901).

2256526771 is an equidigital number, since it uses as much as digits as its factorization.

2256526771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386900.

The product of its digits is 352800, while the sum is 43.

The square root of 2256526771 is about 47502.9132896078. The cubic root of 2256526771 is about 1311.6365094179.

The spelling of 2256526771 in words is "two billion, two hundred fifty-six million, five hundred twenty-six thousand, seven hundred seventy-one".