10503863 has 2 divisors, whose sum is σ = 10503864. Its totient is φ = 10503862.

The previous prime is 10503859. The next prime is 10503877. The reversal of 10503863 is 36830501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10503863 - 2² = 10503859 is a prime.

It is a super-2 number, since 2×10503863² = 220662275845538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10503803) 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, 5251931 + 5251932.

It is an arithmetic number, because the mean of its divisors is an integer number (5251932).

Almost surely, 2^10503863 is an apocalyptic number.

10503863 is a deficient number, since it is larger than the sum of its proper divisors (1).

10503863 is an equidigital number, since it uses as much as digits as its factorization.

10503863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 10503863 is about 3240.9663682303. The cubic root of 10503863 is about 219.0028078009.

It can be divided in two parts, 1050 and 3863, that added together give a cube (4913 = 17³).

The spelling of 10503863 in words is "ten million, five hundred three thousand, eight hundred sixty-three".