320463085 has 4 divisors (see below), whose sum is σ = 384555708. Its totient is φ = 256370464.

The previous prime is 320463067. The next prime is 320463097. The reversal of 320463085 is 580364023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580364023 = 419 ⋅1385117.

It can be written as a sum of positive squares in 2 ways, for example, as 152423716 + 168039369 = 12346^2 + 12963^2 .

It is a cyclic number.

It is not a de Polignac number, because 320463085 - 2⁹ = 320462573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32046304 + ... + 32046313.

It is an arithmetic number, because the mean of its divisors is an integer number (96138927).

Almost surely, 2^320463085 is an apocalyptic number.

It is an amenable number.

320463085 is a deficient number, since it is larger than the sum of its proper divisors (64092623).

320463085 is an equidigital number, since it uses as much as digits as its factorization.

320463085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64092622.

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

The square root of 320463085 is about 17901.4827598163. The cubic root of 320463085 is about 684.3201630617.

The spelling of 320463085 in words is "three hundred twenty million, four hundred sixty-three thousand, eighty-five".