201703 has 4 divisors (see below), whose sum is σ = 202608. Its totient is φ = 200800.

The previous prime is 201701. The next prime is 201709. The reversal of 201703 is 307102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 201703 - 2¹ = 201701 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150 + ... + 652.

It is an arithmetic number, because the mean of its divisors is an integer number (50652).

2²⁰¹⁷⁰³ is an apocalyptic number.

201703 is a deficient number, since it is larger than the sum of its proper divisors (905).

201703 is an equidigital number, since it uses as much as digits as its factorization.

201703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 201703 is about 449.1135713826. The cubic root of 201703 is about 58.6458725949.

Adding to 201703 its reverse (307102), we get a palindrome (508805).

The spelling of 201703 in words is "two hundred one thousand, seven hundred three", and thus it is an iban number.