320585473 has 8 divisors (see below), whose sum is σ = 365554728. Its totient is φ = 278517504.

The previous prime is 320585453. The next prime is 320585491. The reversal of 320585473 is 374585023.

It can be written as a sum of positive squares in 4 ways, for example, as 3139984 + 317445489 = 1772^2 + 17817^2 .

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 320585473 - 2⁹ = 320584961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320585453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725086 + ... + 725527.

It is an arithmetic number, because the mean of its divisors is an integer number (45694341).

Almost surely, 2^320585473 is an apocalyptic number.

It is an amenable number.

320585473 is a deficient number, since it is larger than the sum of its proper divisors (44969255).

320585473 is a wasteful number, since it uses less digits than its factorization.

320585473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450643.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 320585473 is about 17904.9008095549. The cubic root of 320585473 is about 684.4072681713.

The spelling of 320585473 in words is "three hundred twenty million, five hundred eighty-five thousand, four hundred seventy-three".