211064563 has 2 divisors, whose sum is σ = 211064564. Its totient is φ = 211064562.

The previous prime is 211064549. The next prime is 211064599. The reversal of 211064563 is 365460112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211064563 - 2¹⁷ = 210933491 is a prime.

It is not a weakly prime, because it can be changed into another prime (211064533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105532281 + 105532282.

It is an arithmetic number, because the mean of its divisors is an integer number (105532282).

Almost surely, 2^211064563 is an apocalyptic number.

211064563 is a deficient number, since it is larger than the sum of its proper divisors (1).

211064563 is an equidigital number, since it uses as much as digits as its factorization.

211064563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 211064563 is about 14528.0612264679. The cubic root of 211064563 is about 595.3948963867.

The spelling of 211064563 in words is "two hundred eleven million, sixty-four thousand, five hundred sixty-three".