2003217 has 8 divisors (see below), whose sum is σ = 2743296. Its totient is φ = 1299312.

The previous prime is 2003213. The next prime is 2003237. The reversal of 2003217 is 7123002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2003217 - 2² = 2003213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003196 and 2003205.

It is not an unprimeable number, because it can be changed into a prime (2003213) 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, 8913 + ... + 9134.

It is an arithmetic number, because the mean of its divisors is an integer number (342912).

2^2003217 is an apocalyptic number.

It is an amenable number.

2003217 is a deficient number, since it is larger than the sum of its proper divisors (740079).

2003217 is a wasteful number, since it uses less digits than its factorization.

2003217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18087.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2003217 is about 1415.3504866287. The cubic root of 2003217 is about 126.0596215692.

Adding to 2003217 its reverse (7123002), we get a palindrome (9126219).

The spelling of 2003217 in words is "two million, three thousand, two hundred seventeen".