260397671 has 2 divisors, whose sum is σ = 260397672. Its totient is φ = 260397670.

The previous prime is 260397659. The next prime is 260397703. The reversal of 260397671 is 176793062.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260397671 is a prime.

It is a Sophie Germain 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 (260393671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130198835 + 130198836.

It is an arithmetic number, because the mean of its divisors is an integer number (130198836).

Almost surely, 2^260397671 is an apocalyptic number.

260397671 is a deficient number, since it is larger than the sum of its proper divisors (1).

260397671 is an equidigital number, since it uses as much as digits as its factorization.

260397671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 260397671 is about 16136.8420392591. The cubic root of 260397671 is about 638.5756662880.

The spelling of 260397671 in words is "two hundred sixty million, three hundred ninety-seven thousand, six hundred seventy-one".