320314453 has 2 divisors, whose sum is σ = 320314454. Its totient is φ = 320314452.

The previous prime is 320314417. The next prime is 320314487. The reversal of 320314453 is 354413023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196504324 + 123810129 = 14018^2 + 11127^2 .

It is a cyclic number.

It is not a de Polignac number, because 320314453 - 2⁹ = 320313941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320317453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160157226 + 160157227.

It is an arithmetic number, because the mean of its divisors is an integer number (160157227).

Almost surely, 2^320314453 is an apocalyptic number.

It is an amenable number.

320314453 is a deficient number, since it is larger than the sum of its proper divisors (1).

320314453 is an equidigital number, since it uses as much as digits as its factorization.

320314453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 320314453 is about 17897.3308903870. The cubic root of 320314453 is about 684.2143499347.

Adding to 320314453 its reverse (354413023), we get a palindrome (674727476).

The spelling of 320314453 in words is "three hundred twenty million, three hundred fourteen thousand, four hundred fifty-three".