260849 has 2 divisors, whose sum is σ = 260850. Its totient is φ = 260848.

The previous prime is 260809. The next prime is 260857. The reversal of 260849 is 948062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207025 + 53824 = 455^2 + 232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130424 + 130425.

It is an arithmetic number, because the mean of its divisors is an integer number (130425).

2²⁶⁰⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

260849 is a deficient number, since it is larger than the sum of its proper divisors (1).

260849 is an equidigital number, since it uses as much as digits as its factorization.

260849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 260849 is about 510.7337858415. The cubic root of 260849 is about 63.8944386133.

The spelling of 260849 in words is "two hundred sixty thousand, eight hundred forty-nine".