216713 has 8 divisors (see below), whose sum is σ = 251328. Its totient is φ = 183024.

The previous prime is 216703. The next prime is 216719. The reversal of 216713 is 317612.

It is a happy number.

216713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 216713 - 2⁶ = 216649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216719) 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, 395 + ... + 767.

It is an arithmetic number, because the mean of its divisors is an integer number (31416).

2²¹⁶⁷¹³ is an apocalyptic number.

It is an amenable number.

216713 is a deficient number, since it is larger than the sum of its proper divisors (34615).

216713 is an equidigital number, since it uses as much as digits as its factorization.

216713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its digits is 252, while the sum is 20.

The square root of 216713 is about 465.5244354489. The cubic root of 216713 is about 60.0659460107.

It can be divided in two parts, 216 and 713, that added together give a palindrome (929).

The spelling of 216713 in words is "two hundred sixteen thousand, seven hundred thirteen".