260345273 has 2 divisors, whose sum is σ = 260345274. Its totient is φ = 260345272.

The previous prime is 260345237. The next prime is 260345279. The reversal of 260345273 is 372543062.

Together with previous prime (260345237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139169209 + 121176064 = 11797^2 + 11008^2 .

It is a cyclic number.

It is not a de Polignac number, because 260345273 - 2¹² = 260341177 is a prime.

It is a super-2 number, since 2×260345273² = 135559322346889058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260345279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130172636 + 130172637.

It is an arithmetic number, because the mean of its divisors is an integer number (130172637).

Almost surely, 2^260345273 is an apocalyptic number.

It is an amenable number.

260345273 is a deficient number, since it is larger than the sum of its proper divisors (1).

260345273 is an equidigital number, since it uses as much as digits as its factorization.

260345273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 260345273 is about 16135.2184057112. The cubic root of 260345273 is about 638.5328313781.

The spelling of 260345273 in words is "two hundred sixty million, three hundred forty-five thousand, two hundred seventy-three".