2566132243 has 2 divisors, whose sum is σ = 2566132244. Its totient is φ = 2566132242.

The previous prime is 2566132223. The next prime is 2566132271. The reversal of 2566132243 is 3422316652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2566132243 - 2⁵ = 2566132211 is a prime.

It is a super-2 number, since 2×2566132243² = 13170069377128422098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2566132199 and 2566132208.

It is not a weakly prime, because it can be changed into another prime (2566132223) 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, 1283066121 + 1283066122.

It is an arithmetic number, because the mean of its divisors is an integer number (1283066122).

Almost surely, 2^2566132243 is an apocalyptic number.

2566132243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566132243 is an equidigital number, since it uses as much as digits as its factorization.

2566132243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 34.

The square root of 2566132243 is about 50657.0058629604. The cubic root of 2566132243 is about 1369.0721767597.

Adding to 2566132243 its reverse (3422316652), we get a palindrome (5988448895).

The spelling of 2566132243 in words is "two billion, five hundred sixty-six million, one hundred thirty-two thousand, two hundred forty-three".