2503013003 has 8 divisors (see below), whose sum is σ = 2661928272. Its totient is φ = 2345395456.

The previous prime is 2503012999. The next prime is 2503013021. The reversal of 2503013003 is 3003103052.

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 2503013003 - 2² = 2503012999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (2503013603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320450 + ... + 328167.

It is an arithmetic number, because the mean of its divisors is an integer number (332741034).

Almost surely, 2^2503013003 is an apocalyptic number.

2503013003 is a deficient number, since it is larger than the sum of its proper divisors (158915269).

2503013003 is a wasteful number, since it uses less digits than its factorization.

2503013003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648861.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 2503013003 is about 50030.1209572793. The cubic root of 2503013003 is about 1357.7538259655.

Adding to 2503013003 its reverse (3003103052), we get a palindrome (5506116055).

The spelling of 2503013003 in words is "two billion, five hundred three million, thirteen thousand, three".