266252 has 24 divisors (see below), whose sum is σ = 549024. Its totient is φ = 110592.

The previous prime is 266239. The next prime is 266261. The reversal of 266252 is 252662.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908 + ... + 1164.

It is an arithmetic number, because the mean of its divisors is an integer number (22876).

2²⁶⁶²⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274512).

266252 is an abundant number, since it is smaller than the sum of its proper divisors (282772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266252 is a wasteful number, since it uses less digits than its factorization.

266252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 303 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 266252 is about 515.9961240165. The cubic root of 266252 is about 64.3325786435.

The spelling of 266252 in words is "two hundred sixty-six thousand, two hundred fifty-two".