332021 has 6 divisors (see below), whose sum is σ = 346710. Its totient is φ = 317576.

The previous prime is 332011. The next prime is 332039. The reversal of 332021 is 120233.

It can be written as a sum of positive squares in only one way, i.e., 286225 + 45796 = 535^2 + 214^2 .

It is not a de Polignac number, because 332021 - 2⁶ = 331957 is a prime.

It is a super-2 number, since 2×332021² = 220475888882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 331993 and 332011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3050 + ... + 3156.

It is an arithmetic number, because the mean of its divisors is an integer number (57785).

2³³²⁰²¹ is an apocalyptic number.

It is an amenable number.

332021 is a deficient number, since it is larger than the sum of its proper divisors (14689).

332021 is an equidigital number, since it uses as much as digits as its factorization.

332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 332021 is about 576.2126343634. The cubic root of 332021 is about 69.2450156500.

Adding to 332021 its reverse (120233), we get a palindrome (452254).

The spelling of 332021 in words is "three hundred thirty-two thousand, twenty-one".