1013573003 has 4 divisors (see below), whose sum is σ = 1020029040. Its totient is φ = 1007116968.

The previous prime is 1013572999. The next prime is 1013573021. The reversal of 1013573003 is 3003753101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3003753101 = 181 ⋅16595321.

It is a cyclic number.

It is not a de Polignac number, because 1013573003 - 2² = 1013572999 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 1013573003.

It is not an unprimeable number, because it can be changed into a prime (1013573023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3227783 + ... + 3228096.

It is an arithmetic number, because the mean of its divisors is an integer number (255007260).

Almost surely, 2^1013573003 is an apocalyptic number.

1013573003 is a deficient number, since it is larger than the sum of its proper divisors (6456037).

1013573003 is an equidigital number, since it uses as much as digits as its factorization.

1013573003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456036.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 1013573003 is about 31836.6613042260. The cubic root of 1013573003 is about 1004.5040177014.

It can be divided in two parts, 10135 and 73003, that added together give a palindrome (83138).

The spelling of 1013573003 in words is "one billion, thirteen million, five hundred seventy-three thousand, three".