320564083 has 8 divisors (see below), whose sum is σ = 367021152. Its totient is φ = 274272576.

The previous prime is 320564081. The next prime is 320564093. The reversal of 320564083 is 380465023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320564083 - 2¹ = 320564081 is a prime.

It is a super-2 number, since 2×320564083² = 205522662619261778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320564081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37210 + ... + 45007.

It is an arithmetic number, because the mean of its divisors is an integer number (45877644).

Almost surely, 2^320564083 is an apocalyptic number.

320564083 is a deficient number, since it is larger than the sum of its proper divisors (46457069).

320564083 is an equidigital number, since it uses as much as digits as its factorization.

320564083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82781.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 320564083 is about 17904.3034770973. The cubic root of 320564083 is about 684.3920462328.

The spelling of 320564083 in words is "three hundred twenty million, five hundred sixty-four thousand, eighty-three".