10503217 has 2 divisors, whose sum is σ = 10503218. Its totient is φ = 10503216.

The previous prime is 10503211. The next prime is 10503221. The reversal of 10503217 is 71230501.

10503217 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7667361 + 2835856 = 2769^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 10503217 - 2³ = 10503209 is a prime.

It is a super-2 number, since 2×10503217² = 220635134698178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10503194 and 10503203.

It is not a weakly prime, because it can be changed into another prime (10503211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5251608 + 5251609.

It is an arithmetic number, because the mean of its divisors is an integer number (5251609).

Almost surely, 2^10503217 is an apocalyptic number.

It is an amenable number.

10503217 is a deficient number, since it is larger than the sum of its proper divisors (1).

10503217 is an equidigital number, since it uses as much as digits as its factorization.

10503217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 10503217 is about 3240.8667050652. The cubic root of 10503217 is about 218.9983180650.

Adding to 10503217 its reverse (71230501), we get a palindrome (81733718).

The spelling of 10503217 in words is "ten million, five hundred three thousand, two hundred seventeen".