590321 has 2 divisors, whose sum is σ = 590322. Its totient is φ = 590320.

The previous prime is 590309. The next prime is 590323. The reversal of 590321 is 123095.

590321 is nontrivially palindromic in base 15.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474721 + 115600 = 689^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 590321 - 2¹⁰ = 589297 is a prime.

It is a Sophie Germain prime.

Together with 590323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 590293 and 590302.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 590321.

It is not a weakly prime, because it can be changed into another prime (590323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295160 + 295161.

It is an arithmetic number, because the mean of its divisors is an integer number (295161).

2⁵⁹⁰³²¹ is an apocalyptic number.

It is an amenable number.

590321 is a deficient number, since it is larger than the sum of its proper divisors (1).

590321 is an equidigital number, since it uses as much as digits as its factorization.

590321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 590321 is about 768.3234995755. The cubic root of 590321 is about 83.8872732041.

The spelling of 590321 in words is "five hundred ninety thousand, three hundred twenty-one".