353321 has 2 divisors, whose sum is σ = 353322. Its totient is φ = 353320.

The previous prime is 353317. The next prime is 353329. The reversal of 353321 is 123353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 346921 + 6400 = 589^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 353321 - 2² = 353317 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 353321.

It is not a weakly prime, because it can be changed into another prime (353329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176660 + 176661.

It is an arithmetic number, because the mean of its divisors is an integer number (176661).

2³⁵³³²¹ is an apocalyptic number.

It is an amenable number.

353321 is a deficient number, since it is larger than the sum of its proper divisors (1).

353321 is an equidigital number, since it uses as much as digits as its factorization.

353321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 17.

The square root of 353321 is about 594.4081089622. The cubic root of 353321 is about 70.6951820167.

Adding to 353321 its reverse (123353), we get a palindrome (476674).

The spelling of 353321 in words is "three hundred fifty-three thousand, three hundred twenty-one".