285196273 has 2 divisors, whose sum is σ = 285196274. Its totient is φ = 285196272.

The previous prime is 285196243. The next prime is 285196277. The reversal of 285196273 is 372691582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280629504 + 4566769 = 16752^2 + 2137^2 .

It is a cyclic number.

It is not a de Polignac number, because 285196273 - 2¹⁷ = 285065201 is a prime.

It is not a weakly prime, because it can be changed into another prime (285196277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142598136 + 142598137.

It is an arithmetic number, because the mean of its divisors is an integer number (142598137).

Almost surely, 2^285196273 is an apocalyptic number.

It is an amenable number.

285196273 is a deficient number, since it is larger than the sum of its proper divisors (1).

285196273 is an equidigital number, since it uses as much as digits as its factorization.

285196273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 285196273 is about 16887.7551202047. The cubic root of 285196273 is about 658.2354711056.

The spelling of 285196273 in words is "two hundred eighty-five million, one hundred ninety-six thousand, two hundred seventy-three".