266253 has 8 divisors (see below), whose sum is σ = 382368. Its totient is φ = 163824.

The previous prime is 266239. The next prime is 266261. The reversal of 266253 is 352662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266253 - 2⁵ = 266221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266293) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3375 + ... + 3452.

It is an arithmetic number, because the mean of its divisors is an integer number (47796).

2²⁶⁶²⁵³ is an apocalyptic number.

It is an amenable number.

266253 is a deficient number, since it is larger than the sum of its proper divisors (116115).

266253 is a wasteful number, since it uses less digits than its factorization.

266253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843.

The product of its digits is 2160, while the sum is 24.

The square root of 266253 is about 515.9970930151. The cubic root of 266253 is about 64.3326591844.

The spelling of 266253 in words is "two hundred sixty-six thousand, two hundred fifty-three".