85230833 has 2 divisors, whose sum is σ = 85230834. Its totient is φ = 85230832.

The previous prime is 85230829. The next prime is 85230853. The reversal of 85230833 is 33803258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67354849 + 17875984 = 8207^2 + 4228^2 .

It is a cyclic number.

It is not a de Polignac number, because 85230833 - 2² = 85230829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85230833.

It is not a weakly prime, because it can be changed into another prime (85230853) 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, 42615416 + 42615417.

It is an arithmetic number, because the mean of its divisors is an integer number (42615417).

Almost surely, 2^85230833 is an apocalyptic number.

It is an amenable number.

85230833 is a deficient number, since it is larger than the sum of its proper divisors (1).

85230833 is an equidigital number, since it uses as much as digits as its factorization.

85230833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 85230833 is about 9232.0546467187. The cubic root of 85230833 is about 440.0806205577.

The spelling of 85230833 in words is "eighty-five million, two hundred thirty thousand, eight hundred thirty-three".