811327 has 4 divisors (see below), whose sum is σ = 885096. Its totient is φ = 737560.

The previous prime is 811297. The next prime is 811337. The reversal of 811327 is 723118.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 811327 - 2⁷ = 811199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 811298 and 811307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811337) 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 in 3 ways as a sum of consecutive naturals, for example, 36868 + ... + 36889.

It is an arithmetic number, because the mean of its divisors is an integer number (221274).

2⁸¹¹³²⁷ is an apocalyptic number.

811327 is a deficient number, since it is larger than the sum of its proper divisors (73769).

811327 is a wasteful number, since it uses less digits than its factorization.

811327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73768.

The product of its digits is 336, while the sum is 22.

The square root of 811327 is about 900.7369205267. The cubic root of 811327 is about 93.2678523130.

Subtracting from 811327 its reverse (723118), we obtain a square (88209 = 297²).

The spelling of 811327 in words is "eight hundred eleven thousand, three hundred twenty-seven".