201713 has 4 divisors (see below), whose sum is σ = 206448. Its totient is φ = 196980.

The previous prime is 201709. The next prime is 201731. The reversal of 201713 is 317102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 317102 = 2 ⋅158551.

It is a cyclic number.

It is not a de Polignac number, because 201713 - 2² = 201709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201743) 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, 2303 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (51612).

2²⁰¹⁷¹³ is an apocalyptic number.

It is an amenable number.

201713 is a deficient number, since it is larger than the sum of its proper divisors (4735).

201713 is an equidigital number, since it uses as much as digits as its factorization.

201713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734.

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

The square root of 201713 is about 449.1247042860. The cubic root of 201713 is about 58.6468417576.

Adding to 201713 its reverse (317102), we get a palindrome (518815).

The spelling of 201713 in words is "two hundred one thousand, seven hundred thirteen".