216085333 has 2 divisors, whose sum is σ = 216085334. Its totient is φ = 216085332.

The previous prime is 216085321. The next prime is 216085339. The reversal of 216085333 is 333580612.

216085333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193265604 + 22819729 = 13902^2 + 4777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216085333 is a prime.

It is a super-2 number, since 2×216085333² = 93385742275441778, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 216085295 and 216085304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216085339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108042666 + 108042667.

It is an arithmetic number, because the mean of its divisors is an integer number (108042667).

Almost surely, 2^216085333 is an apocalyptic number.

It is an amenable number.

216085333 is a deficient number, since it is larger than the sum of its proper divisors (1).

216085333 is an equidigital number, since it uses as much as digits as its factorization.

216085333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 216085333 is about 14699.8412576463. The cubic root of 216085333 is about 600.0790016345.

The spelling of 216085333 in words is "two hundred sixteen million, eighty-five thousand, three hundred thirty-three".