320441293 has 2 divisors, whose sum is σ = 320441294. Its totient is φ = 320441292.

The previous prime is 320441263. The next prime is 320441309. The reversal of 320441293 is 392144023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198161929 + 122279364 = 14077^2 + 11058^2 .

It is an emirp because it is prime and its reverse (392144023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320441293 - 2¹³ = 320433101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320441243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160220646 + 160220647.

It is an arithmetic number, because the mean of its divisors is an integer number (160220647).

Almost surely, 2^320441293 is an apocalyptic number.

It is an amenable number.

320441293 is a deficient number, since it is larger than the sum of its proper divisors (1).

320441293 is an equidigital number, since it uses as much as digits as its factorization.

320441293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 320441293 is about 17900.8740848038. The cubic root of 320441293 is about 684.3046510899.

The spelling of 320441293 in words is "three hundred twenty million, four hundred forty-one thousand, two hundred ninety-three".