320054305 has 4 divisors (see below), whose sum is σ = 384065172. Its totient is φ = 256043440.

The previous prime is 320054303. The next prime is 320054341. The reversal of 320054305 is 503450023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53450721 + 266603584 = 7311^2 + 16328^2 .

It is not a de Polignac number, because 320054305 - 2¹ = 320054303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320054303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32005426 + ... + 32005435.

It is an arithmetic number, because the mean of its divisors is an integer number (96016293).

Almost surely, 2^320054305 is an apocalyptic number.

It is an amenable number.

320054305 is a deficient number, since it is larger than the sum of its proper divisors (64010867).

320054305 is an equidigital number, since it uses as much as digits as its factorization.

320054305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64010866.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 320054305 is about 17890.0616265009. The cubic root of 320054305 is about 684.0290682504.

The spelling of 320054305 in words is "three hundred twenty million, fifty-four thousand, three hundred five".