805267 has 2 divisors, whose sum is σ = 805268. Its totient is φ = 805266.

The previous prime is 805249. The next prime is 805271. The reversal of 805267 is 762508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 805267 - 2¹⁹ = 280979 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (805297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402633 + 402634.

It is an arithmetic number, because the mean of its divisors is an integer number (402634).

2⁸⁰⁵²⁶⁷ is an apocalyptic number.

805267 is a deficient number, since it is larger than the sum of its proper divisors (1).

805267 is an equidigital number, since it uses as much as digits as its factorization.

805267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 805267 is about 897.3667031933. The cubic root of 805267 is about 93.0350582743.

The spelling of 805267 in words is "eight hundred five thousand, two hundred sixty-seven".