2256245567 has 2 divisors, whose sum is σ = 2256245568. Its totient is φ = 2256245566.

The previous prime is 2256245521. The next prime is 2256245581. The reversal of 2256245567 is 7655426522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2256245567 - 2²⁰ = 2255196991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256245507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128122783 + 1128122784.

It is an arithmetic number, because the mean of its divisors is an integer number (1128122784).

Almost surely, 2^2256245567 is an apocalyptic number.

2256245567 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256245567 is an equidigital number, since it uses as much as digits as its factorization.

2256245567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 44.

The square root of 2256245567 is about 47499.9533368192. The cubic root of 2256245567 is about 1311.5820226199.

The spelling of 2256245567 in words is "two billion, two hundred fifty-six million, two hundred forty-five thousand, five hundred sixty-seven".