260613569 has 2 divisors, whose sum is σ = 260613570. Its totient is φ = 260613568.

The previous prime is 260613527. The next prime is 260613571. The reversal of 260613569 is 965316062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153760000 + 106853569 = 12400^2 + 10337^2 .

It is a cyclic number.

It is not a de Polignac number, because 260613569 - 2²⁴ = 243836353 is a prime.

It is a super-2 number, since 2×260613569² = 135838864693835522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 260613571, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (260613469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130306784 + 130306785.

It is an arithmetic number, because the mean of its divisors is an integer number (130306785).

Almost surely, 2^260613569 is an apocalyptic number.

It is an amenable number.

260613569 is a deficient number, since it is larger than the sum of its proper divisors (1).

260613569 is an equidigital number, since it uses as much as digits as its factorization.

260613569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 260613569 is about 16143.5302520855. The cubic root of 260613569 is about 638.7521004369.

The spelling of 260613569 in words is "two hundred sixty million, six hundred thirteen thousand, five hundred sixty-nine".