213360349 has 2 divisors, whose sum is σ = 213360350. Its totient is φ = 213360348.

The previous prime is 213360347. The next prime is 213360359. The reversal of 213360349 is 943063312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187197124 + 26163225 = 13682^2 + 5115^2 .

It is a cyclic number.

It is not a de Polignac number, because 213360349 - 2¹ = 213360347 is a prime.

Together with 213360347, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213360349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213360341) 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, 106680174 + 106680175.

It is an arithmetic number, because the mean of its divisors is an integer number (106680175).

Almost surely, 2^213360349 is an apocalyptic number.

It is an amenable number.

213360349 is a deficient number, since it is larger than the sum of its proper divisors (1).

213360349 is an equidigital number, since it uses as much as digits as its factorization.

213360349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 213360349 is about 14606.8596556549. The cubic root of 213360349 is about 597.5458543382.

The spelling of 213360349 in words is "two hundred thirteen million, three hundred sixty thousand, three hundred forty-nine".