2173003 has 12 divisors (see below), whose sum is σ = 2572752. Its totient is φ = 1829520.

The previous prime is 2173001. The next prime is 2173009. The reversal of 2173003 is 3003712.

It is not a de Polignac number, because 2173003 - 2¹ = 2173001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2173001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2626 + ... + 3352.

It is an arithmetic number, because the mean of its divisors is an integer number (214396).

2^2173003 is an apocalyptic number.

2173003 is a deficient number, since it is larger than the sum of its proper divisors (399749).

2173003 is an equidigital number, since it uses as much as digits as its factorization.

2173003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 2173003 is about 1474.1109184861. The cubic root of 2173003 is about 129.5249525815.

Adding to 2173003 its reverse (3003712), we get a palindrome (5176715).

The spelling of 2173003 in words is "two million, one hundred seventy-three thousand, three".