10378503 has 16 divisors (see below), whose sum is σ = 16185600. Its totient is φ = 6554520.

The previous prime is 10378481. The next prime is 10378531. The reversal of 10378503 is 30587301.

10378503 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10378503 - 2⁵ = 10378471 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10378103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9603 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (1011600).

Almost surely, 2^10378503 is an apocalyptic number.

10378503 is a deficient number, since it is larger than the sum of its proper divisors (5807097).

10378503 is a wasteful number, since it uses less digits than its factorization.

10378503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20259 (or 20253 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 10378503 is about 3221.5684068478. The cubic root of 10378503 is about 218.1280775312.

It can be divided in two parts, 103 and 78503, that added together give a triangular number (78606 = T₃₉₆).

The spelling of 10378503 in words is "ten million, three hundred seventy-eight thousand, five hundred three".