320267 has 2 divisors, whose sum is σ = 320268. Its totient is φ = 320266.

The previous prime is 320239. The next prime is 320269. The reversal of 320267 is 762023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320267 - 2⁸ = 320011 is a prime.

Together with 320269, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320267.

It is not a weakly prime, because it can be changed into another prime (320269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160133 + 160134.

It is an arithmetic number, because the mean of its divisors is an integer number (160134).

2³²⁰²⁶⁷ is an apocalyptic number.

320267 is a deficient number, since it is larger than the sum of its proper divisors (1).

320267 is an equidigital number, since it uses as much as digits as its factorization.

320267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 320267 is about 565.9213726305. The cubic root of 320267 is about 68.4180560610.

The spelling of 320267 in words is "three hundred twenty thousand, two hundred sixty-seven".