260255729 has 2 divisors, whose sum is σ = 260255730. Its totient is φ = 260255728.

The previous prime is 260255717. The next prime is 260255759. The reversal of 260255729 is 927552062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205865104 + 54390625 = 14348^2 + 7375^2 .

It is a cyclic number.

It is not a de Polignac number, because 260255729 - 2¹² = 260251633 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 260255692 and 260255701.

It is not a weakly prime, because it can be changed into another prime (260255759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130127864 + 130127865.

It is an arithmetic number, because the mean of its divisors is an integer number (130127865).

Almost surely, 2^260255729 is an apocalyptic number.

It is an amenable number.

260255729 is a deficient number, since it is larger than the sum of its proper divisors (1).

260255729 is an equidigital number, since it uses as much as digits as its factorization.

260255729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 260255729 is about 16132.4433673266. The cubic root of 260255729 is about 638.4596166305.

The spelling of 260255729 in words is "two hundred sixty million, two hundred fifty-five thousand, seven hundred twenty-nine".