10503917 has 2 divisors, whose sum is σ = 10503918. Its totient is φ = 10503916.

The previous prime is 10503877. The next prime is 10503923. The reversal of 10503917 is 71930501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8375236 + 2128681 = 2894^2 + 1459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10503917 is a prime.

It is a super-3 number, since 3×10503917³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10503217) 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, 5251958 + 5251959.

It is an arithmetic number, because the mean of its divisors is an integer number (5251959).

Almost surely, 2^10503917 is an apocalyptic number.

It is an amenable number.

10503917 is a deficient number, since it is larger than the sum of its proper divisors (1).

10503917 is an equidigital number, since it uses as much as digits as its factorization.

10503917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 10503917 is about 3240.9746990682. The cubic root of 10503917 is about 219.0031830956.

The spelling of 10503917 in words is "ten million, five hundred three thousand, nine hundred seventeen".