2564262263 has 2 divisors, whose sum is σ = 2564262264. Its totient is φ = 2564262262.

The previous prime is 2564262229. The next prime is 2564262289. The reversal of 2564262263 is 3622624652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2564262263 - 2¹⁰ = 2564261239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564262223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282131131 + 1282131132.

It is an arithmetic number, because the mean of its divisors is an integer number (1282131132).

Almost surely, 2^2564262263 is an apocalyptic number.

2564262263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564262263 is an equidigital number, since it uses as much as digits as its factorization.

2564262263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 38.

The square root of 2564262263 is about 50638.5452298938. The cubic root of 2564262263 is about 1368.7395413030.

The spelling of 2564262263 in words is "two billion, five hundred sixty-four million, two hundred sixty-two thousand, two hundred sixty-three".