2566275331 has 2 divisors, whose sum is σ = 2566275332. Its totient is φ = 2566275330.

The previous prime is 2566275329. The next prime is 2566275343. The reversal of 2566275331 is 1335726652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2566275331 - 2¹ = 2566275329 is a prime.

It is a super-2 number, since 2×2566275331² = 13171538148998319122, which contains 22 as substring.

Together with 2566275329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2566275311) 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 as a sum of consecutive naturals, namely, 1283137665 + 1283137666.

It is an arithmetic number, because the mean of its divisors is an integer number (1283137666).

Almost surely, 2^2566275331 is an apocalyptic number.

2566275331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566275331 is an equidigital number, since it uses as much as digits as its factorization.

2566275331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The square root of 2566275331 is about 50658.4181651974. The cubic root of 2566275331 is about 1369.0976228578.

The spelling of 2566275331 in words is "two billion, five hundred sixty-six million, two hundred seventy-five thousand, three hundred thirty-one".