332875721 has 2 divisors, whose sum is σ = 332875722. Its totient is φ = 332875720.

The previous prime is 332875661. The next prime is 332875723. The reversal of 332875721 is 127578233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260370496 + 72505225 = 16136^2 + 8515^2 .

It is a cyclic number.

It is not a de Polignac number, because 332875721 - 2¹⁸ = 332613577 is a prime.

It is a super-2 number, since 2×332875721² = 221612491262539682, which contains 22 as substring.

Together with 332875723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (332875723) 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, 166437860 + 166437861.

It is an arithmetic number, because the mean of its divisors is an integer number (166437861).

Almost surely, 2^332875721 is an apocalyptic number.

It is an amenable number.

332875721 is a deficient number, since it is larger than the sum of its proper divisors (1).

332875721 is an equidigital number, since it uses as much as digits as its factorization.

332875721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 332875721 is about 18244.8820494954. The cubic root of 332875721 is about 693.0438383731.

The spelling of 332875721 in words is "three hundred thirty-two million, eight hundred seventy-five thousand, seven hundred twenty-one".