663056003 has 4 divisors (see below), whose sum is σ = 664594848. Its totient is φ = 661517160.

The previous prime is 663055999. The next prime is 663056071. The reversal of 663056003 is 300650366.

663056003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 663056003 - 2² = 663055999 is a prime.

It is a super-2 number, since 2×663056003² = 879286526228672018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663053003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768776 + ... + 769637.

It is an arithmetic number, because the mean of its divisors is an integer number (166148712).

Almost surely, 2^663056003 is an apocalyptic number.

663056003 is a deficient number, since it is larger than the sum of its proper divisors (1538845).

663056003 is a wasteful number, since it uses less digits than its factorization.

663056003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538844.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 663056003 is about 25749.8738443512. The cubic root of 663056003 is about 872.0005063228. Note that the first 3 decimals are identical.

The spelling of 663056003 in words is "six hundred sixty-three million, fifty-six thousand, three".