320282273 has 2 divisors, whose sum is σ = 320282274. Its totient is φ = 320282272.

The previous prime is 320282257. The next prime is 320282321. The reversal of 320282273 is 372282023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257666704 + 62615569 = 16052^2 + 7913^2 .

It is a cyclic number.

It is not a de Polignac number, because 320282273 - 2⁴ = 320282257 is a prime.

It is not a weakly prime, because it can be changed into another prime (320282203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160141136 + 160141137.

It is an arithmetic number, because the mean of its divisors is an integer number (160141137).

Almost surely, 2^320282273 is an apocalyptic number.

It is an amenable number.

320282273 is a deficient number, since it is larger than the sum of its proper divisors (1).

320282273 is an equidigital number, since it uses as much as digits as its factorization.

320282273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 320282273 is about 17896.4318510702. The cubic root of 320282273 is about 684.1914362479.

The spelling of 320282273 in words is "three hundred twenty million, two hundred eighty-two thousand, two hundred seventy-three".