9872503 has 4 divisors (see below), whose sum is σ = 9983520. Its totient is φ = 9761488.

The previous prime is 9872501. The next prime is 9872509. The reversal of 9872503 is 3052789.

9872503 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3052789 = 89 ⋅34301.

It is a cyclic number.

It is not a de Polignac number, because 9872503 - 2¹ = 9872501 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

9872503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9872501) 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 3 ways as a sum of consecutive naturals, for example, 55375 + ... + 55552.

It is an arithmetic number, because the mean of its divisors is an integer number (2495880).

Almost surely, 2^9872503 is an apocalyptic number.

9872503 is a deficient number, since it is larger than the sum of its proper divisors (111017).

9872503 is a wasteful number, since it uses less digits than its factorization.

9872503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111016.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 9872503 is about 3142.0539460678. The cubic root of 9872503 is about 214.5239367408.

The spelling of 9872503 in words is "nine million, eight hundred seventy-two thousand, five hundred three".