1006504663 has 2 divisors, whose sum is σ = 1006504664. Its totient is φ = 1006504662.

The previous prime is 1006504661. The next prime is 1006504781. The reversal of 1006504663 is 3664056001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1006504663 - 2¹ = 1006504661 is a prime.

Together with 1006504661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006504661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503252331 + 503252332.

It is an arithmetic number, because the mean of its divisors is an integer number (503252332).

Almost surely, 2^1006504663 is an apocalyptic number.

1006504663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006504663 is an equidigital number, since it uses as much as digits as its factorization.

1006504663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1006504663 is about 31725.4576483933. The cubic root of 1006504663 is about 1002.1635367330.

The spelling of 1006504663 in words is "one billion, six million, five hundred four thousand, six hundred sixty-three".