260003291 has 2 divisors, whose sum is σ = 260003292. Its totient is φ = 260003290.

The previous prime is 260003281. The next prime is 260003309. The reversal of 260003291 is 192300062.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260003291 is a prime.

It is a super-2 number, since 2×260003291² = 135203422661661362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260003221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130001645 + 130001646.

It is an arithmetic number, because the mean of its divisors is an integer number (130001646).

Almost surely, 2^260003291 is an apocalyptic number.

260003291 is a deficient number, since it is larger than the sum of its proper divisors (1).

260003291 is an equidigital number, since it uses as much as digits as its factorization.

260003291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 260003291 is about 16124.6175458521. The cubic root of 260003291 is about 638.2531228005.

The spelling of 260003291 in words is "two hundred sixty million, three thousand, two hundred ninety-one".