213543361 has 8 divisors (see below), whose sum is σ = 217463040. Its totient is φ = 209633808.

The previous prime is 213543359. The next prime is 213543377. The reversal of 213543361 is 163345312.

213543361 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 213543361 - 2¹ = 213543359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213543301) 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, 49680 + ... + 53806.

It is an arithmetic number, because the mean of its divisors is an integer number (27182880).

Almost surely, 2^213543361 is an apocalyptic number.

It is an amenable number.

213543361 is a deficient number, since it is larger than the sum of its proper divisors (3919679).

213543361 is an equidigital number, since it uses as much as digits as its factorization.

213543361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063.

The product of its digits is 6480, while the sum is 28.

The square root of 213543361 is about 14613.1229037465. The cubic root of 213543361 is about 597.7166558478.

Adding to 213543361 its reverse (163345312), we get a palindrome (376888673).

The spelling of 213543361 in words is "two hundred thirteen million, five hundred forty-three thousand, three hundred sixty-one".