1106645213 has 2 divisors, whose sum is σ = 1106645214. Its totient is φ = 1106645212.

The previous prime is 1106645167. The next prime is 1106645251. The reversal of 1106645213 is 3125466011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 967334404 + 139310809 = 31102^2 + 11803^2 .

It is a cyclic number.

It is not a de Polignac number, because 1106645213 - 2¹⁴ = 1106628829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1106641213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553322606 + 553322607.

It is an arithmetic number, because the mean of its divisors is an integer number (553322607).

Almost surely, 2^1106645213 is an apocalyptic number.

It is an amenable number.

1106645213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106645213 is an equidigital number, since it uses as much as digits as its factorization.

1106645213 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 29.

The square root of 1106645213 is about 33266.2774142223. The cubic root of 1106645213 is about 1034.3546469686.

The spelling of 1106645213 in words is "one billion, one hundred six million, six hundred forty-five thousand, two hundred thirteen".