1013002503 has 8 divisors (see below), whose sum is σ = 1351143168. Its totient is φ = 675098424.

The previous prime is 1013002481. The next prime is 1013002513. The reversal of 1013002503 is 3052003101.

It is a happy number.

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

It is not a de Polignac number, because 1013002503 - 2⁶ = 1013002439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013002513) 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, 48901 + ... + 66462.

It is an arithmetic number, because the mean of its divisors is an integer number (168892896).

Almost surely, 2^1013002503 is an apocalyptic number.

1013002503 is a deficient number, since it is larger than the sum of its proper divisors (338140665).

1013002503 is a wasteful number, since it uses less digits than its factorization.

1013002503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118293.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1013002503 is about 31827.7002467976. The cubic root of 1013002503 is about 1004.3155171878.

Adding to 1013002503 its reverse (3052003101), we get a palindrome (4065005604).

The spelling of 1013002503 in words is "one billion, thirteen million, two thousand, five hundred three".