211013833 has 2 divisors, whose sum is σ = 211013834. Its totient is φ = 211013832.

The previous prime is 211013821. The next prime is 211013899. The reversal of 211013833 is 338310112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146821689 + 64192144 = 12117^2 + 8012^2 .

It is a cyclic number.

It is not a de Polignac number, because 211013833 - 2⁵ = 211013801 is a prime.

It is not a weakly prime, because it can be changed into another prime (211013813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506916 + 105506917.

It is an arithmetic number, because the mean of its divisors is an integer number (105506917).

Almost surely, 2^211013833 is an apocalyptic number.

It is an amenable number.

211013833 is a deficient number, since it is larger than the sum of its proper divisors (1).

211013833 is an equidigital number, since it uses as much as digits as its factorization.

211013833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 211013833 is about 14526.3151900267. The cubic root of 211013833 is about 595.3471909154.

Adding to 211013833 its reverse (338310112), we get a palindrome (549323945).

The spelling of 211013833 in words is "two hundred eleven million, thirteen thousand, eight hundred thirty-three".