1005207163 has 2 divisors, whose sum is σ = 1005207164. Its totient is φ = 1005207162.

The previous prime is 1005207149. The next prime is 1005207167. The reversal of 1005207163 is 3617025001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005207163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005207167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502603581 + 502603582.

It is an arithmetic number, because the mean of its divisors is an integer number (502603582).

Almost surely, 2^1005207163 is an apocalyptic number.

1005207163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005207163 is an equidigital number, since it uses as much as digits as its factorization.

1005207163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1005207163 is about 31705.0021763128. The cubic root of 1005207163 is about 1001.7327169579.

The spelling of 1005207163 in words is "one billion, five million, two hundred seven thousand, one hundred sixty-three".