216056333 has 2 divisors, whose sum is σ = 216056334. Its totient is φ = 216056332.

The previous prime is 216056299. The next prime is 216056437. The reversal of 216056333 is 333650612.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141181924 + 74874409 = 11882^2 + 8653^2 .

It is a cyclic number.

It is not a de Polignac number, because 216056333 - 2¹⁴ = 216039949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216056296 and 216056305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216056033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108028166 + 108028167.

It is an arithmetic number, because the mean of its divisors is an integer number (108028167).

Almost surely, 2^216056333 is an apocalyptic number.

It is an amenable number.

216056333 is a deficient number, since it is larger than the sum of its proper divisors (1).

216056333 is an equidigital number, since it uses as much as digits as its factorization.

216056333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 216056333 is about 14698.8548193388. The cubic root of 216056333 is about 600.0521556514.

The spelling of 216056333 in words is "two hundred sixteen million, fifty-six thousand, three hundred thirty-three".