268003 has 2 divisors, whose sum is σ = 268004. Its totient is φ = 268002.

The previous prime is 267961. The next prime is 268013. The reversal of 268003 is 300862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268003 is a prime.

It is not a weakly prime, because it can be changed into another prime (268013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134001 + 134002.

It is an arithmetic number, because the mean of its divisors is an integer number (134002).

2²⁶⁸⁰⁰³ is an apocalyptic number.

268003 is a deficient number, since it is larger than the sum of its proper divisors (1).

268003 is an equidigital number, since it uses as much as digits as its factorization.

268003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 268003 is about 517.6900617165. The cubic root of 268003 is about 64.4732978429.

Adding to 268003 its reverse (300862), we get a palindrome (568865).

The spelling of 268003 in words is "two hundred sixty-eight thousand, three".