332921 has 2 divisors, whose sum is σ = 332922. Its totient is φ = 332920.

The previous prime is 332903. The next prime is 332933. The reversal of 332921 is 129233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313600 + 19321 = 560^2 + 139^2 .

It is a cyclic number.

It is not a de Polignac number, because 332921 - 2¹⁰ = 331897 is a prime.

It is a super-2 number, since 2×332921² = 221672784482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 332893 and 332902.

It is not a weakly prime, because it can be changed into another prime (332951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166460 + 166461.

It is an arithmetic number, because the mean of its divisors is an integer number (166461).

2³³²⁹²¹ is an apocalyptic number.

It is an amenable number.

332921 is a deficient number, since it is larger than the sum of its proper divisors (1).

332921 is an equidigital number, since it uses as much as digits as its factorization.

332921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 20.

The square root of 332921 is about 576.9930675493. The cubic root of 332921 is about 69.3075260420.

The spelling of 332921 in words is "three hundred thirty-two thousand, nine hundred twenty-one".