320293 has 2 divisors, whose sum is σ = 320294. Its totient is φ = 320292.

The previous prime is 320291. The next prime is 320303. The reversal of 320293 is 392023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228484 + 91809 = 478^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 320293 - 2¹ = 320291 is a prime.

Together with 320291, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 320293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160146 + 160147.

It is an arithmetic number, because the mean of its divisors is an integer number (160147).

2³²⁰²⁹³ is an apocalyptic number.

It is an amenable number.

320293 is a deficient number, since it is larger than the sum of its proper divisors (1).

320293 is an equidigital number, since it uses as much as digits as its factorization.

320293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 320293 is about 565.9443435533. The cubic root of 320293 is about 68.4199074551.

The spelling of 320293 in words is "three hundred twenty thousand, two hundred ninety-three".