321332052 has 24 divisors (see below), whose sum is σ = 750405600. Its totient is φ = 107020576.

The previous prime is 321332051. The next prime is 321332083. The reversal of 321332052 is 250233123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321332051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4474 + ... + 25742.

It is an arithmetic number, because the mean of its divisors is an integer number (31266900).

Almost surely, 2^321332052 is an apocalyptic number.

It is an amenable number.

321332052 is an abundant number, since it is smaller than the sum of its proper divisors (429073548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321332052 is a wasteful number, since it uses less digits than its factorization.

321332052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22535 (or 22533 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 321332052 is about 17925.7371396548. The cubic root of 321332052 is about 684.9381385164.

Adding to 321332052 its reverse (250233123), we get a palindrome (571565175).

The spelling of 321332052 in words is "three hundred twenty-one million, three hundred thirty-two thousand, fifty-two".