211004149 has 2 divisors, whose sum is σ = 211004150. Its totient is φ = 211004148.

The previous prime is 211004141. The next prime is 211004159. The reversal of 211004149 is 941400112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196700625 + 14303524 = 14025^2 + 3782^2 .

It is a cyclic number.

It is not a de Polignac number, because 211004149 - 2³ = 211004141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211004141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105502074 + 105502075.

It is an arithmetic number, because the mean of its divisors is an integer number (105502075).

Almost surely, 2^211004149 is an apocalyptic number.

It is an amenable number.

211004149 is a deficient number, since it is larger than the sum of its proper divisors (1).

211004149 is an equidigital number, since it uses as much as digits as its factorization.

211004149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 211004149 is about 14525.9818601016. The cubic root of 211004149 is about 595.3380834076.

The spelling of 211004149 in words is "two hundred eleven million, four thousand, one hundred forty-nine".