332120281 has 2 divisors, whose sum is σ = 332120282. Its totient is φ = 332120280.

The previous prime is 332120249. The next prime is 332120291. The reversal of 332120281 is 182021233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316840000 + 15280281 = 17800^2 + 3909^2 .

It is an emirp because it is prime and its reverse (182021233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332120281 - 2⁵ = 332120249 is a prime.

It is a super-2 number, since 2×332120281² = 220607762103037922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (332120291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166060140 + 166060141.

It is an arithmetic number, because the mean of its divisors is an integer number (166060141).

Almost surely, 2^332120281 is an apocalyptic number.

It is an amenable number.

332120281 is a deficient number, since it is larger than the sum of its proper divisors (1).

332120281 is an equidigital number, since it uses as much as digits as its factorization.

332120281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 332120281 is about 18224.1674981328. The cubic root of 332120281 is about 692.5191684929.

The spelling of 332120281 in words is "three hundred thirty-two million, one hundred twenty thousand, two hundred eighty-one".