216267113 has 2 divisors, whose sum is σ = 216267114. Its totient is φ = 216267112.

The previous prime is 216267059. The next prime is 216267133. The reversal of 216267113 is 311762612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179640409 + 36626704 = 13403^2 + 6052^2 .

It is a cyclic number.

It is not a de Polignac number, because 216267113 - 2⁶ = 216267049 is a prime.

It is not a weakly prime, because it can be changed into another prime (216267133) 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, 108133556 + 108133557.

It is an arithmetic number, because the mean of its divisors is an integer number (108133557).

Almost surely, 2^216267113 is an apocalyptic number.

It is an amenable number.

216267113 is a deficient number, since it is larger than the sum of its proper divisors (1).

216267113 is an equidigital number, since it uses as much as digits as its factorization.

216267113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 216267113 is about 14706.0230177978. The cubic root of 216267113 is about 600.2472249709.

The spelling of 216267113 in words is "two hundred sixteen million, two hundred sixty-seven thousand, one hundred thirteen".