2560867567 has 2 divisors, whose sum is σ = 2560867568. Its totient is φ = 2560867566.

The previous prime is 2560867549. The next prime is 2560867579. The reversal of 2560867567 is 7657680652.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2560867567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2560867867) 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, 1280433783 + 1280433784.

It is an arithmetic number, because the mean of its divisors is an integer number (1280433784).

Almost surely, 2^2560867567 is an apocalyptic number.

2560867567 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560867567 is an equidigital number, since it uses as much as digits as its factorization.

2560867567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The square root of 2560867567 is about 50605.0152356464. The cubic root of 2560867567 is about 1368.1352730860.

The spelling of 2560867567 in words is "two billion, five hundred sixty million, eight hundred sixty-seven thousand, five hundred sixty-seven".