812267 has 2 divisors, whose sum is σ = 812268. Its totient is φ = 812266.

The previous prime is 812257. The next prime is 812281. The reversal of 812267 is 762218.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 812267 - 2⁸ = 812011 is a prime.

It is a Chen prime.

It is equal to p₆₄₈₅₃ and since 812267 and 64853 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (812257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406133 + 406134.

It is an arithmetic number, because the mean of its divisors is an integer number (406134).

2⁸¹²²⁶⁷ is an apocalyptic number.

812267 is a deficient number, since it is larger than the sum of its proper divisors (1).

812267 is an equidigital number, since it uses as much as digits as its factorization.

812267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 812267 is about 901.2585644531. The cubic root of 812267 is about 93.3038583230.

The spelling of 812267 in words is "eight hundred twelve thousand, two hundred sixty-seven".