266275 has 6 divisors (see below), whose sum is σ = 330212. Its totient is φ = 213000.

The previous prime is 266269. The next prime is 266281. The reversal of 266275 is 572662.

It is an interprime number because it is at equal distance from previous prime (266269) and next prime (266281).

It is a de Polignac number, because none of the positive numbers 2^k-266275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5301 + ... + 5350.

2²⁶⁶²⁷⁵ is an apocalyptic number.

266275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

266275 is a deficient number, since it is larger than the sum of its proper divisors (63937).

266275 is a wasteful number, since it uses less digits than its factorization.

266275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661 (or 10656 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 266275 is about 516.0184105243. The cubic root of 266275 is about 64.3344310324.

The spelling of 266275 in words is "two hundred sixty-six thousand, two hundred seventy-five".