266983 has 2 divisors, whose sum is σ = 266984. Its totient is φ = 266982.

The previous prime is 266977. The next prime is 266993. The reversal of 266983 is 389662.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266983 - 2¹⁷ = 135911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133491 + 133492.

It is an arithmetic number, because the mean of its divisors is an integer number (133492).

2²⁶⁶⁹⁸³ is an apocalyptic number.

266983 is a deficient number, since it is larger than the sum of its proper divisors (1).

266983 is an equidigital number, since it uses as much as digits as its factorization.

266983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 266983 is about 516.7039771475. The cubic root of 266983 is about 64.3914002894.

The spelling of 266983 in words is "two hundred sixty-six thousand, nine hundred eighty-three".