265117 has 2 divisors, whose sum is σ = 265118. Its totient is φ = 265116.

The previous prime is 265093. The next prime is 265123. The reversal of 265117 is 711562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217156 + 47961 = 466^2 + 219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132558 + 132559.

It is an arithmetic number, because the mean of its divisors is an integer number (132559).

2²⁶⁵¹¹⁷ is an apocalyptic number.

It is an amenable number.

265117 is a deficient number, since it is larger than the sum of its proper divisors (1).

265117 is an equidigital number, since it uses as much as digits as its factorization.

265117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 22.

The square root of 265117 is about 514.8951349547. The cubic root of 265117 is about 64.2410344447.

Adding to 265117 its reverse (711562), we get a palindrome (976679).

The spelling of 265117 in words is "two hundred sixty-five thousand, one hundred seventeen".