266225 has 12 divisors (see below), whose sum is σ = 345216. Its totient is φ = 203280.

The previous prime is 266221. The next prime is 266239. The reversal of 266225 is 522662.

It is a happy number.

266225 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 266225 - 2² = 266221 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 266225.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266225.

It is not an unprimeable number, because it can be changed into a prime (266221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (28768).

2²⁶⁶²²⁵ is an apocalyptic number.

266225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266225 is a deficient number, since it is larger than the sum of its proper divisors (78991).

266225 is a wasteful number, since it uses less digits than its factorization.

266225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 491 counting only the distinct ones).

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

The square root of 266225 is about 515.9699603659. The cubic root of 266225 is about 64.3304039640.

Adding to 266225 its reverse (522662), we get a palindrome (788887).

The spelling of 266225 in words is "two hundred sixty-six thousand, two hundred twenty-five".