213335 has 4 divisors (see below), whose sum is σ = 256008. Its totient is φ = 170664.

The previous prime is 213329. The next prime is 213337. The reversal of 213335 is 533312.

213335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 213335 - 2⁴ = 213319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213337) 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, 21329 + ... + 21338.

It is an arithmetic number, because the mean of its divisors is an integer number (64002).

2²¹³³³⁵ is an apocalyptic number.

213335 is a deficient number, since it is larger than the sum of its proper divisors (42673).

213335 is an equidigital number, since it uses as much as digits as its factorization.

213335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42672.

The product of its digits is 270, while the sum is 17.

The square root of 213335 is about 461.8820195678. The cubic root of 213335 is about 59.7522188914.

Adding to 213335 its reverse (533312), we get a palindrome (746647).

The spelling of 213335 in words is "two hundred thirteen thousand, three hundred thirty-five".