10663903 has 2 divisors, whose sum is σ = 10663904. Its totient is φ = 10663902.

The previous prime is 10663901. The next prime is 10663931. The reversal of 10663903 is 30936601.

It is an a-pointer prime, because the next prime (10663931) can be obtained adding 10663903 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10663903 - 2¹ = 10663901 is a prime.

It is a super-2 number, since 2×10663903² = 227437654386818, which contains 22 as substring.

Together with 10663901, 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 (10663901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5331951 + 5331952.

It is an arithmetic number, because the mean of its divisors is an integer number (5331952).

Almost surely, 2^10663903 is an apocalyptic number.

10663903 is a deficient number, since it is larger than the sum of its proper divisors (1).

10663903 is an equidigital number, since it uses as much as digits as its factorization.

10663903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 10663903 is about 3265.5631979798. The cubic root of 10663903 is about 220.1094703128.

It can be divided in two parts, 106 and 63903, that added together give a square (64009 = 253²).

The spelling of 10663903 in words is "ten million, six hundred sixty-three thousand, nine hundred three".