285320059 has 2 divisors, whose sum is σ = 285320060. Its totient is φ = 285320058.

The previous prime is 285320029. The next prime is 285320071. The reversal of 285320059 is 950023582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285320059 - 2⁹ = 285319547 is a prime.

It is not a weakly prime, because it can be changed into another prime (285320029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142660029 + 142660030.

It is an arithmetic number, because the mean of its divisors is an integer number (142660030).

Almost surely, 2^285320059 is an apocalyptic number.

285320059 is a deficient number, since it is larger than the sum of its proper divisors (1).

285320059 is an equidigital number, since it uses as much as digits as its factorization.

285320059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 285320059 is about 16891.4196857458. The cubic root of 285320059 is about 658.3306903844.

The spelling of 285320059 in words is "two hundred eighty-five million, three hundred twenty thousand, fifty-nine".