2560663583 has 2 divisors, whose sum is σ = 2560663584. Its totient is φ = 2560663582.

The previous prime is 2560663549. The next prime is 2560663619. The reversal of 2560663583 is 3853660652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2560663583 - 2¹⁸ = 2560401439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2560663283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280331791 + 1280331792.

It is an arithmetic number, because the mean of its divisors is an integer number (1280331792).

Almost surely, 2^2560663583 is an apocalyptic number.

2560663583 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560663583 is an equidigital number, since it uses as much as digits as its factorization.

2560663583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 44.

The square root of 2560663583 is about 50602.9997430982. Note that the first 3 decimals coincide. The cubic root of 2560663583 is about 1368.0989461892.

The spelling of 2560663583 in words is "two billion, five hundred sixty million, six hundred sixty-three thousand, five hundred eighty-three".