533321 has 2 divisors, whose sum is σ = 533322. Its totient is φ = 533320.

The previous prime is 533317. The next prime is 533327. The reversal of 533321 is 123335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373321 + 160000 = 611^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 533321 - 2² = 533317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 13.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 533321.

It is not a weakly prime, because it can be changed into another prime (533327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266660 + 266661.

It is an arithmetic number, because the mean of its divisors is an integer number (266661).

2⁵³³³²¹ is an apocalyptic number.

It is an amenable number.

533321 is a deficient number, since it is larger than the sum of its proper divisors (1).

533321 is an equidigital number, since it uses as much as digits as its factorization.

533321 is an odious number, because the sum of its binary digits is odd.

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

The square root of 533321 is about 730.2882992353. The cubic root of 533321 is about 81.0954014876.

Adding to 533321 its reverse (123335), we get a palindrome (656656).

The spelling of 533321 in words is "five hundred thirty-three thousand, three hundred twenty-one".