2813003 has 4 divisors (see below), whose sum is σ = 2816880. Its totient is φ = 2809128.

The previous prime is 2812993. The next prime is 2813011. The reversal of 2813003 is 3003182.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2813003 - 2¹⁸ = 2550859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2813053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (704220).

2^2813003 is an apocalyptic number.

2813003 is a deficient number, since it is larger than the sum of its proper divisors (3877).

2813003 is an equidigital number, since it uses as much as digits as its factorization.

2813003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2813003 is about 1677.2009420460. The cubic root of 2813003 is about 141.1638187838.

Adding to 2813003 its reverse (3003182), we get a palindrome (5816185).

It can be divided in two parts, 28 and 13003, that added together give a palindrome (13031).

The spelling of 2813003 in words is "two million, eight hundred thirteen thousand, three".