2117003 has 4 divisors (see below), whose sum is σ = 2419440. Its totient is φ = 1814568.

The previous prime is 2116997. The next prime is 2117039. The reversal of 2117003 is 3007112.

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

It is not a de Polignac number, because 2117003 - 2⁴ = 2116987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2117053) 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, 151208 + ... + 151221.

It is an arithmetic number, because the mean of its divisors is an integer number (604860).

2^2117003 is an apocalyptic number.

2117003 is a deficient number, since it is larger than the sum of its proper divisors (302437).

2117003 is an equidigital number, since it uses as much as digits as its factorization.

2117003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302436.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 2117003 is about 1454.9924398429. The cubic root of 2117003 is about 128.4026019859.

The spelling of 2117003 in words is "two million, one hundred seventeen thousand, three".