332132321 has 4 divisors (see below), whose sum is σ = 332458644. Its totient is φ = 331806000.

The previous prime is 332132309. The next prime is 332132329. The reversal of 332132321 is 123231233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220195921 + 111936400 = 14839^2 + 10580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332132321 is a prime.

It is a super-2 number, since 2×332132321² = 220623757305694082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332132293 and 332132302.

It is not an unprimeable number, because it can be changed into a prime (332132329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161630 + ... + 163671.

It is an arithmetic number, because the mean of its divisors is an integer number (83114661).

Almost surely, 2^332132321 is an apocalyptic number.

It is an amenable number.

332132321 is a deficient number, since it is larger than the sum of its proper divisors (326323).

332132321 is a wasteful number, since it uses less digits than its factorization.

332132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326322.

The product of its digits is 648, while the sum is 20.

The square root of 332132321 is about 18224.4978257290. The cubic root of 332132321 is about 692.5275367764.

Adding to 332132321 its reverse (123231233), we get a palindrome (455363554).

The spelling of 332132321 in words is "three hundred thirty-two million, one hundred thirty-two thousand, three hundred twenty-one".