216005059 has 2 divisors, whose sum is σ = 216005060. Its totient is φ = 216005058.

The previous prime is 216005057. The next prime is 216005113. The reversal of 216005059 is 950500612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216005059 - 2¹ = 216005057 is a prime.

Together with 216005057, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (216005057) 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, 108002529 + 108002530.

It is an arithmetic number, because the mean of its divisors is an integer number (108002530).

Almost surely, 2^216005059 is an apocalyptic number.

216005059 is a deficient number, since it is larger than the sum of its proper divisors (1).

216005059 is an equidigital number, since it uses as much as digits as its factorization.

216005059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 216005059 is about 14697.1105663664. The cubic root of 216005059 is about 600.0046842227.

The spelling of 216005059 in words is "two hundred sixteen million, five thousand, fifty-nine".