213355 has 8 divisors (see below), whose sum is σ = 260064. Its totient is φ = 168000.

The previous prime is 213349. The next prime is 213359. The reversal of 213355 is 553312.

213355 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 not a de Polignac number, because 213355 - 2⁹ = 212843 is a prime.

It is a Duffinian number.

213355 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (213359) 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, 55 + ... + 655.

It is an arithmetic number, because the mean of its divisors is an integer number (32508).

2²¹³³⁵⁵ is an apocalyptic number.

213355 is a deficient number, since it is larger than the sum of its proper divisors (46709).

213355 is an equidigital number, since it uses as much as digits as its factorization.

213355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677.

The product of its digits is 450, while the sum is 19.

The square root of 213355 is about 461.9036696109. The cubic root of 213355 is about 59.7540860753.

Adding to 213355 its reverse (553312), we get a palindrome (766667).

The spelling of 213355 in words is "two hundred thirteen thousand, three hundred fifty-five".