332321401 has 2 divisors, whose sum is σ = 332321402. Its totient is φ = 332321400.

The previous prime is 332321387. The next prime is 332321449. The reversal of 332321401 is 104123233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331058025 + 1263376 = 18195^2 + 1124^2 .

It is an emirp because it is prime and its reverse (104123233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332321401 - 2⁵ = 332321369 is a prime.

It is a super-2 number, since 2×332321401² = 220875027125205602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (332321471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166160700 + 166160701.

It is an arithmetic number, because the mean of its divisors is an integer number (166160701).

Almost surely, 2^332321401 is an apocalyptic number.

It is an amenable number.

332321401 is a deficient number, since it is larger than the sum of its proper divisors (1).

332321401 is an equidigital number, since it uses as much as digits as its factorization.

332321401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 332321401 is about 18229.6846105466. The cubic root of 332321401 is about 692.6589284517.

Adding to 332321401 its reverse (104123233), we get a palindrome (436444634).

The spelling of 332321401 in words is "three hundred thirty-two million, three hundred twenty-one thousand, four hundred one".