260357791 has 2 divisors, whose sum is σ = 260357792. Its totient is φ = 260357790.

The previous prime is 260357759. The next prime is 260357807. The reversal of 260357791 is 197753062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260357791 - 2⁵ = 260357759 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260354791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130178895 + 130178896.

It is an arithmetic number, because the mean of its divisors is an integer number (130178896).

Almost surely, 2^260357791 is an apocalyptic number.

260357791 is a deficient number, since it is larger than the sum of its proper divisors (1).

260357791 is an equidigital number, since it uses as much as digits as its factorization.

260357791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 260357791 is about 16135.6063102692. The cubic root of 260357791 is about 638.5430652568.

The spelling of 260357791 in words is "two hundred sixty million, three hundred fifty-seven thousand, seven hundred ninety-one".