268265 has 4 divisors (see below), whose sum is σ = 321924. Its totient is φ = 214608.

The previous prime is 268253. The next prime is 268267. The reversal of 268265 is 562862.

268265 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562862 = 2 ⋅281431.

It can be written as a sum of positive squares in 2 ways, for example, as 50176 + 218089 = 224^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 268265 - 2¹² = 264169 is a prime.

It is a super-2 number, since 2×268265² = 143932220450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26822 + ... + 26831.

It is an arithmetic number, because the mean of its divisors is an integer number (80481).

2²⁶⁸²⁶⁵ is an apocalyptic number.

It is an amenable number.

268265 is a deficient number, since it is larger than the sum of its proper divisors (53659).

268265 is an equidigital number, since it uses as much as digits as its factorization.

268265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53658.

The product of its digits is 5760, while the sum is 29.

The square root of 268265 is about 517.9430470621. The cubic root of 268265 is about 64.4943007203.

The spelling of 268265 in words is "two hundred sixty-eight thousand, two hundred sixty-five".