10001503 has 8 divisors (see below), whose sum is σ = 10224000. Its totient is φ = 9780888.

The previous prime is 10001501. The next prime is 10001521. The reversal of 10001503 is 30510001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10001503 - 2¹ = 10001501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10001503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001501) 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 7 ways as a sum of consecutive naturals, for example, 16398 + ... + 16996.

It is an arithmetic number, because the mean of its divisors is an integer number (1278000).

Almost surely, 2^10001503 is an apocalyptic number.

10001503 is a deficient number, since it is larger than the sum of its proper divisors (222497).

10001503 is an equidigital number, since it uses as much as digits as its factorization.

10001503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 10001503 is about 3162.5152964057. The cubic root of 10001503 is about 215.4542621803.

Adding to 10001503 its reverse (30510001), we get a palindrome (40511504).

The spelling of 10001503 in words is "ten million, one thousand, five hundred three".