3045000209 has 2 divisors, whose sum is σ = 3045000210. Its totient is φ = 3045000208.

The previous prime is 3045000197. The next prime is 3045000247. The reversal of 3045000209 is 9020005403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3043949584 + 1050625 = 55172^2 + 1025^2 .

It is an emirp because it is prime and its reverse (9020005403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3045000209 - 2⁴ = 3045000193 is a prime.

It is not a weakly prime, because it can be changed into another prime (3045000709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1522500104 + 1522500105.

It is an arithmetic number, because the mean of its divisors is an integer number (1522500105).

Almost surely, 2^3045000209 is an apocalyptic number.

It is an amenable number.

3045000209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3045000209 is an equidigital number, since it uses as much as digits as its factorization.

3045000209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3045000209 is about 55181.5205390355. The cubic root of 3045000209 is about 1449.4250925778.

The spelling of 3045000209 in words is "three billion, forty-five million, two hundred nine", and thus it is an aban number.