211023049 has 2 divisors, whose sum is σ = 211023050. Its totient is φ = 211023048.

The previous prime is 211022993. The next prime is 211023067. The reversal of 211023049 is 940320112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110923024 + 100100025 = 10532^2 + 10005^2 .

It is a cyclic number.

It is not a de Polignac number, because 211023049 - 2¹¹ = 211021001 is a prime.

It is not a weakly prime, because it can be changed into another prime (211023079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105511524 + 105511525.

It is an arithmetic number, because the mean of its divisors is an integer number (105511525).

Almost surely, 2^211023049 is an apocalyptic number.

It is an amenable number.

211023049 is a deficient number, since it is larger than the sum of its proper divisors (1).

211023049 is an equidigital number, since it uses as much as digits as its factorization.

211023049 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 211023049 is about 14526.6324039675. The cubic root of 211023049 is about 595.3558580247.

The spelling of 211023049 in words is "two hundred eleven million, twenty-three thousand, forty-nine".