320575 has 6 divisors (see below), whose sum is σ = 397544. Its totient is φ = 256440.

The previous prime is 320563. The next prime is 320591. The reversal of 320575 is 575023.

It is not a de Polignac number, because 320575 - 2⁹ = 320063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6387 + ... + 6436.

2³²⁰⁵⁷⁵ is an apocalyptic number.

320575 is a deficient number, since it is larger than the sum of its proper divisors (76969).

320575 is a wasteful number, since it uses less digits than its factorization.

320575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833 (or 12828 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 320575 is about 566.1934298453. The cubic root of 320575 is about 68.4399815270.

Adding to 320575 its reverse (575023), we get a palindrome (895598).

The spelling of 320575 in words is "three hundred twenty thousand, five hundred seventy-five".