260968577 has 2 divisors, whose sum is σ = 260968578. Its totient is φ = 260968576.

The previous prime is 260968573. The next prime is 260968579. The reversal of 260968577 is 775869062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256512256 + 4456321 = 16016^2 + 2111^2 .

It is a cyclic number.

It is not a de Polignac number, because 260968577 - 2² = 260968573 is a prime.

Together with 260968579, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260968573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130484288 + 130484289.

It is an arithmetic number, because the mean of its divisors is an integer number (130484289).

Almost surely, 2^260968577 is an apocalyptic number.

It is an amenable number.

260968577 is a deficient number, since it is larger than the sum of its proper divisors (1).

260968577 is an equidigital number, since it uses as much as digits as its factorization.

260968577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 260968577 is about 16154.5218746950. The cubic root of 260968577 is about 639.0420050381.

The spelling of 260968577 in words is "two hundred sixty million, nine hundred sixty-eight thousand, five hundred seventy-seven".