1005505063 has 2 divisors, whose sum is σ = 1005505064. Its totient is φ = 1005505062.

The previous prime is 1005505049. The next prime is 1005505091. The reversal of 1005505063 is 3605055001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1005505063 - 2⁵ = 1005505031 is a prime.

It is a super-2 number, since 2×1005505063² = 2022080863437267938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005505003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502752531 + 502752532.

It is an arithmetic number, because the mean of its divisors is an integer number (502752532).

Almost surely, 2^1005505063 is an apocalyptic number.

1005505063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005505063 is an equidigital number, since it uses as much as digits as its factorization.

1005505063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1005505063 is about 31709.6998251324. The cubic root of 1005505063 is about 1001.8316639587.

The spelling of 1005505063 in words is "one billion, five million, five hundred five thousand, sixty-three".