260830291 has 2 divisors, whose sum is σ = 260830292. Its totient is φ = 260830290.

The previous prime is 260830261. The next prime is 260830391. The reversal of 260830291 is 192038062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260830291 - 2⁵ = 260830259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260830211) 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, 130415145 + 130415146.

It is an arithmetic number, because the mean of its divisors is an integer number (130415146).

Almost surely, 2^260830291 is an apocalyptic number.

260830291 is a deficient number, since it is larger than the sum of its proper divisors (1).

260830291 is an equidigital number, since it uses as much as digits as its factorization.

260830291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 260830291 is about 16150.2412056291. The cubic root of 260830291 is about 638.9291099949.

It can be divided in two parts, 260830 and 291, that added together give a square (261121 = 511²).

The spelling of 260830291 in words is "two hundred sixty million, eight hundred thirty thousand, two hundred ninety-one".