2560220263 has 2 divisors, whose sum is σ = 2560220264. Its totient is φ = 2560220262.

The previous prime is 2560220239. The next prime is 2560220269. The reversal of 2560220263 is 3620220652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2560220263 - 2²¹ = 2558123111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2560220269) 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 as a sum of consecutive naturals, namely, 1280110131 + 1280110132.

It is an arithmetic number, because the mean of its divisors is an integer number (1280110132).

Almost surely, 2^2560220263 is an apocalyptic number.

2560220263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560220263 is an equidigital number, since it uses as much as digits as its factorization.

2560220263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2560220263 is about 50598.6191807642. The cubic root of 2560220263 is about 1368.0199900112.

The spelling of 2560220263 in words is "two billion, five hundred sixty million, two hundred twenty thousand, two hundred sixty-three".