213325213 has 4 divisors (see below), whose sum is σ = 215524540. Its totient is φ = 211125888.

The previous prime is 213325187. The next prime is 213325243. The reversal of 213325213 is 312523312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 85137529 + 128187684 = 9227^2 + 11322^2 .

It is a cyclic number.

It is not a de Polignac number, because 213325213 - 2¹³ = 213317021 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 (213325243) 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, 1099518 + ... + 1099711.

It is an arithmetic number, because the mean of its divisors is an integer number (53881135).

Almost surely, 2^213325213 is an apocalyptic number.

It is an amenable number.

213325213 is a deficient number, since it is larger than the sum of its proper divisors (2199327).

213325213 is an equidigital number, since it uses as much as digits as its factorization.

213325213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199326.

The product of its digits is 1080, while the sum is 22.

The square root of 213325213 is about 14605.6568835503. The cubic root of 213325213 is about 597.5130514239.

Adding to 213325213 its reverse (312523312), we get a palindrome (525848525).

The spelling of 213325213 in words is "two hundred thirteen million, three hundred twenty-five thousand, two hundred thirteen".