1006662563 has 2 divisors, whose sum is σ = 1006662564. Its totient is φ = 1006662562.

The previous prime is 1006662539. The next prime is 1006662577. The reversal of 1006662563 is 3652666001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1006662563 - 2⁶ = 1006662499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1006662593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503331281 + 503331282.

It is an arithmetic number, because the mean of its divisors is an integer number (503331282).

Almost surely, 2^1006662563 is an apocalyptic number.

1006662563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006662563 is an equidigital number, since it uses as much as digits as its factorization.

1006662563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1006662563 is about 31727.9460885825. The cubic root of 1006662563 is about 1002.2159403148.

The spelling of 1006662563 in words is "one billion, six million, six hundred sixty-two thousand, five hundred sixty-three".