260647 has 2 divisors, whose sum is σ = 260648. Its totient is φ = 260646.

The previous prime is 260629. The next prime is 260651. The reversal of 260647 is 746062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130323 + 130324.

It is an arithmetic number, because the mean of its divisors is an integer number (130324).

2²⁶⁰⁶⁴⁷ is an apocalyptic number.

260647 is a deficient number, since it is larger than the sum of its proper divisors (1).

260647 is an equidigital number, since it uses as much as digits as its factorization.

260647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 260647 is about 510.5359928546. The cubic root of 260647 is about 63.8779411893.

The spelling of 260647 in words is "two hundred sixty thousand, six hundred forty-seven".