266267 has 4 divisors (see below), whose sum is σ = 270840. Its totient is φ = 261696.

The previous prime is 266261. The next prime is 266269. The reversal of 266267 is 762662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 266267 - 2¹⁶ = 200731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (67710).

2²⁶⁶²⁶⁷ is an apocalyptic number.

266267 is a deficient number, since it is larger than the sum of its proper divisors (4573).

266267 is an equidigital number, since it uses as much as digits as its factorization.

266267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572.

The product of its digits is 6048, while the sum is 29.

The square root of 266267 is about 516.0106588046. The cubic root of 266267 is about 64.3337867353. Note that the first 3 decimals are identical.

The spelling of 266267 in words is "two hundred sixty-six thousand, two hundred sixty-seven".