332285021 has 2 divisors, whose sum is σ = 332285022. Its totient is φ = 332285020.

The previous prime is 332285011. The next prime is 332285059. The reversal of 332285021 is 120582233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206956996 + 125328025 = 14386^2 + 11195^2 .

It is an emirp because it is prime and its reverse (120582233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332285021 - 2⁶ = 332284957 is a prime.

It is a super-2 number, since 2×332285021² = 220826670361940882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332285011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166142510 + 166142511.

It is an arithmetic number, because the mean of its divisors is an integer number (166142511).

Almost surely, 2^332285021 is an apocalyptic number.

It is an amenable number.

332285021 is a deficient number, since it is larger than the sum of its proper divisors (1).

332285021 is an equidigital number, since it uses as much as digits as its factorization.

332285021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 332285021 is about 18228.6867601591. The cubic root of 332285021 is about 692.6336518657.

The spelling of 332285021 in words is "three hundred thirty-two million, two hundred eighty-five thousand, twenty-one".