812297833 has 2 divisors, whose sum is σ = 812297834. Its totient is φ = 812297832.

The previous prime is 812297819. The next prime is 812297903. The reversal of 812297833 is 338792218.

812297833 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., 622602304 + 189695529 = 24952^2 + 13773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-812297833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 812297833.

It is not a weakly prime, because it can be changed into another prime (812297803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406148916 + 406148917.

It is an arithmetic number, because the mean of its divisors is an integer number (406148917).

Almost surely, 2^812297833 is an apocalyptic number.

It is an amenable number.

812297833 is a deficient number, since it is larger than the sum of its proper divisors (1).

812297833 is an equidigital number, since it uses as much as digits as its factorization.

812297833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 812297833 is about 28500.8391630843. The cubic root of 812297833 is about 933.0503888784.

The spelling of 812297833 in words is "eight hundred twelve million, two hundred ninety-seven thousand, eight hundred thirty-three".