831073 has 2 divisors, whose sum is σ = 831074. Its totient is φ = 831072.

The previous prime is 831071. The next prime is 831091. The reversal of 831073 is 370138.

831073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431649 + 399424 = 657^2 + 632^2 .

It is a cyclic number.

It is not a de Polignac number, because 831073 - 2¹ = 831071 is a prime.

Together with 831071, it forms a pair of twin primes.

It is equal to p₆₆₂₄₄ and since 831073 and 66244 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 (831071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415536 + 415537.

It is an arithmetic number, because the mean of its divisors is an integer number (415537).

2⁸³¹⁰⁷³ is an apocalyptic number.

It is an amenable number.

831073 is a deficient number, since it is larger than the sum of its proper divisors (1).

831073 is an equidigital number, since it uses as much as digits as its factorization.

831073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 831073 is about 911.6320529687. The cubic root of 831073 is about 94.0184436422.

It can be divided in two parts, 83 and 1073, that added together give a square (1156 = 34²).

The spelling of 831073 in words is "eight hundred thirty-one thousand, seventy-three".