266117 has 2 divisors, whose sum is σ = 266118. Its totient is φ = 266116.

The previous prime is 266111. The next prime is 266129. The reversal of 266117 is 711662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201601 + 64516 = 449^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 266117 - 2⁶ = 266053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266092 and 266101.

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 266117.

It is not a weakly prime, because it can be changed into another prime (266111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133058 + 133059.

It is an arithmetic number, because the mean of its divisors is an integer number (133059).

2²⁶⁶¹¹⁷ is an apocalyptic number.

It is an amenable number.

266117 is a deficient number, since it is larger than the sum of its proper divisors (1).

266117 is an equidigital number, since it uses as much as digits as its factorization.

266117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 266117 is about 515.8652924941. The cubic root of 266117 is about 64.3217037751.

Adding to 266117 its reverse (711662), we get a palindrome (977779).

It can be divided in two parts, 266 and 117, that added together give a palindrome (383).

The spelling of 266117 in words is "two hundred sixty-six thousand, one hundred seventeen".