580321 has 4 divisors (see below), whose sum is σ = 663232. Its totient is φ = 497412.

The previous prime is 580303. The next prime is 580331. The reversal of 580321 is 123085.

It is a happy number.

580321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 580321 - 2⁹ = 579809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (580301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41445 + ... + 41458.

It is an arithmetic number, because the mean of its divisors is an integer number (165808).

2⁵⁸⁰³²¹ is an apocalyptic number.

It is an amenable number.

580321 is a deficient number, since it is larger than the sum of its proper divisors (82911).

580321 is an equidigital number, since it uses as much as digits as its factorization.

580321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82910.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 580321 is about 761.7880282598. The cubic root of 580321 is about 83.4108913502.

The spelling of 580321 in words is "five hundred eighty thousand, three hundred twenty-one".