1063666213 has 2 divisors, whose sum is σ = 1063666214. Its totient is φ = 1063666212.

The previous prime is 1063666187. The next prime is 1063666231. The reversal of 1063666213 is 3126663601.

1063666213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (1063666231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 926471844 + 137194369 = 30438^2 + 11713^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063666213 - 2⁵ = 1063666181 is a prime.

It is a super-2 number, since 2×1063666213² = 2262771625355522738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1063666243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531833106 + 531833107.

It is an arithmetic number, because the mean of its divisors is an integer number (531833107).

Almost surely, 2^1063666213 is an apocalyptic number.

It is an amenable number.

1063666213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063666213 is an equidigital number, since it uses as much as digits as its factorization.

1063666213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 1063666213 is about 32613.8960107498. The cubic root of 1063666213 is about 1020.7869785169.

The spelling of 1063666213 in words is "one billion, sixty-three million, six hundred sixty-six thousand, two hundred thirteen".