811199 has 2 divisors, whose sum is σ = 811200. Its totient is φ = 811198.

The previous prime is 811193. The next prime is 811207. The reversal of 811199 is 991118.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 811199 - 2⁴ = 811183 is a prime.

It is a Chen prime.

It is equal to p₆₄₇₇₅ and since 811199 and 64775 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (811193) 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, 405599 + 405600.

It is an arithmetic number, because the mean of its divisors is an integer number (405600).

2⁸¹¹¹⁹⁹ is an apocalyptic number.

811199 is a deficient number, since it is larger than the sum of its proper divisors (1).

811199 is an equidigital number, since it uses as much as digits as its factorization.

811199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 29.

The square root of 811199 is about 900.6658647912. The cubic root of 811199 is about 93.2629472160.

The spelling of 811199 in words is "eight hundred eleven thousand, one hundred ninety-nine".