268001 has 4 divisors (see below), whose sum is σ = 269232. Its totient is φ = 266772.

The previous prime is 267961. The next prime is 268003. The reversal of 268001 is 100862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 268001 - 2¹⁰ = 266977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268003) 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, 191 + ... + 756.

It is an arithmetic number, because the mean of its divisors is an integer number (67308).

2²⁶⁸⁰⁰¹ is an apocalyptic number.

It is an amenable number.

268001 is a deficient number, since it is larger than the sum of its proper divisors (1231).

268001 is an equidigital number, since it uses as much as digits as its factorization.

268001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 268001 is about 517.6881300552. The cubic root of 268001 is about 64.4731374629.

Adding to 268001 its reverse (100862), we get a palindrome (368863).

The spelling of 268001 in words is "two hundred sixty-eight thousand, one".