2003373 has 10 divisors (see below), whose sum is σ = 2992814. Its totient is φ = 1335528.

The previous prime is 2003363. The next prime is 2003381. The reversal of 2003373 is 3733002.

2003373 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in only one way, i.e., 1225449 + 777924 = 1107^2 + 882^2 .

It is not a de Polignac number, because 2003373 - 2¹⁰ = 2002349 is a prime.

It is an Ulam number.

It is a Duffinian number.

2003373 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003363) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12286 + ... + 12447.

2^2003373 is an apocalyptic number.

It is an amenable number.

2003373 is a deficient number, since it is larger than the sum of its proper divisors (989441).

2003373 is an equidigital number, since it uses as much as digits as its factorization.

2003373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24745 (or 24736 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 18.

The square root of 2003373 is about 1415.4055955803. The cubic root of 2003373 is about 126.0628937710.

Adding to 2003373 its reverse (3733002), we get a palindrome (5736375).

The spelling of 2003373 in words is "two million, three thousand, three hundred seventy-three".