10663603 has 2 divisors, whose sum is σ = 10663604. Its totient is φ = 10663602.

The previous prime is 10663589. The next prime is 10663643. The reversal of 10663603 is 30636601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10663603 - 2⁵ = 10663571 is a prime.

It is a super-2 number, since 2×10663603² = 227424857883218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10663643) 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, 5331801 + 5331802.

It is an arithmetic number, because the mean of its divisors is an integer number (5331802).

Almost surely, 2^10663603 is an apocalyptic number.

10663603 is a deficient number, since it is larger than the sum of its proper divisors (1).

10663603 is an equidigital number, since it uses as much as digits as its factorization.

10663603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 10663603 is about 3265.5172637731. The cubic root of 10663603 is about 220.1074062323.

The spelling of 10663603 in words is "ten million, six hundred sixty-three thousand, six hundred three".