330005213 has 2 divisors, whose sum is σ = 330005214. Its totient is φ = 330005212.

The previous prime is 330005197. The next prime is 330005237. The reversal of 330005213 is 312500033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313537849 + 16467364 = 17707^2 + 4058^2 .

It is a cyclic number.

It is not a de Polignac number, because 330005213 - 2⁴ = 330005197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330005191 and 330005200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330005713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165002606 + 165002607.

It is an arithmetic number, because the mean of its divisors is an integer number (165002607).

Almost surely, 2^330005213 is an apocalyptic number.

It is an amenable number.

330005213 is a deficient number, since it is larger than the sum of its proper divisors (1).

330005213 is an equidigital number, since it uses as much as digits as its factorization.

330005213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 330005213 is about 18166.0456071210. The cubic root of 330005213 is about 691.0459617735.

Adding to 330005213 its reverse (312500033), we get a palindrome (642505246).

The spelling of 330005213 in words is "three hundred thirty million, five thousand, two hundred thirteen".