211048049 has 2 divisors, whose sum is σ = 211048050. Its totient is φ = 211048048.

The previous prime is 211048043. The next prime is 211048073. The reversal of 211048049 is 940840112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159567424 + 51480625 = 12632^2 + 7175^2 .

It is a cyclic number.

It is not a de Polignac number, because 211048049 - 2²⁰ = 209999473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211048043) 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, 105524024 + 105524025.

It is an arithmetic number, because the mean of its divisors is an integer number (105524025).

Almost surely, 2^211048049 is an apocalyptic number.

It is an amenable number.

211048049 is a deficient number, since it is larger than the sum of its proper divisors (1).

211048049 is an equidigital number, since it uses as much as digits as its factorization.

211048049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 211048049 is about 14527.4928669747. The cubic root of 211048049 is about 595.3793677926.

The spelling of 211048049 in words is "two hundred eleven million, forty-eight thousand, forty-nine".