268571 has 4 divisors (see below), whose sum is σ = 280272. Its totient is φ = 256872.

The previous prime is 268547. The next prime is 268573. The reversal of 268571 is 175862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 175862 = 2 ⋅87931.

It is a cyclic number.

It is not a de Polignac number, because 268571 - 2⁶ = 268507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268573) 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, 5816 + ... + 5861.

It is an arithmetic number, because the mean of its divisors is an integer number (70068).

2²⁶⁸⁵⁷¹ is an apocalyptic number.

268571 is a deficient number, since it is larger than the sum of its proper divisors (11701).

268571 is a wasteful number, since it uses less digits than its factorization.

268571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11700.

The product of its digits is 3360, while the sum is 29.

The square root of 268571 is about 518.2383621462. The cubic root of 268571 is about 64.5188134931.

The spelling of 268571 in words is "two hundred sixty-eight thousand, five hundred seventy-one".