213330361 has 2 divisors, whose sum is σ = 213330362. Its totient is φ = 213330360.

The previous prime is 213330349. The next prime is 213330379. The reversal of 213330361 is 163033312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213306025 + 24336 = 14605^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 213330361 - 2⁵ = 213330329 is a prime.

It is not a weakly prime, because it can be changed into another prime (213331361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106665180 + 106665181.

It is an arithmetic number, because the mean of its divisors is an integer number (106665181).

Almost surely, 2^213330361 is an apocalyptic number.

It is an amenable number.

213330361 is a deficient number, since it is larger than the sum of its proper divisors (1).

213330361 is an equidigital number, since it uses as much as digits as its factorization.

213330361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 213330361 is about 14605.8331155741. The cubic root of 213330361 is about 597.5178578138.

Adding to 213330361 its reverse (163033312), we get a palindrome (376363673).

The spelling of 213330361 in words is "two hundred thirteen million, three hundred thirty thousand, three hundred sixty-one".