10663217 has 2 divisors, whose sum is σ = 10663218. Its totient is φ = 10663216.

The previous prime is 10663193. The next prime is 10663223. The reversal of 10663217 is 71236601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6130576 + 4532641 = 2476^2 + 2129^2 .

It is a cyclic number.

It is not a de Polignac number, because 10663217 - 2⁶ = 10663153 is a prime.

It is a super-2 number, since 2×10663217² = 227408393578178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10663417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5331608 + 5331609.

It is an arithmetic number, because the mean of its divisors is an integer number (5331609).

Almost surely, 2^10663217 is an apocalyptic number.

It is an amenable number.

10663217 is a deficient number, since it is larger than the sum of its proper divisors (1).

10663217 is an equidigital number, since it uses as much as digits as its factorization.

10663217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 10663217 is about 3265.4581608099. The cubic root of 10663217 is about 220.1047503919.

Adding to 10663217 its reverse (71236601), we get a palindrome (81899818).

The spelling of 10663217 in words is "ten million, six hundred sixty-three thousand, two hundred seventeen".