260335261 has 2 divisors, whose sum is σ = 260335262. Its totient is φ = 260335260.

The previous prime is 260335259. The next prime is 260335307. The reversal of 260335261 is 162533062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223502500 + 36832761 = 14950^2 + 6069^2 .

It is a cyclic number.

It is not a de Polignac number, because 260335261 - 2¹ = 260335259 is a prime.

Together with 260335259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260335211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130167630 + 130167631.

It is an arithmetic number, because the mean of its divisors is an integer number (130167631).

Almost surely, 2^260335261 is an apocalyptic number.

It is an amenable number.

260335261 is a deficient number, since it is larger than the sum of its proper divisors (1).

260335261 is an equidigital number, since it uses as much as digits as its factorization.

260335261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 260335261 is about 16134.9081497231. The cubic root of 260335261 is about 638.5246460010.

The spelling of 260335261 in words is "two hundred sixty million, three hundred thirty-five thousand, two hundred sixty-one".