213232241 has 16 divisors (see below), whose sum is σ = 238940928. Its totient is φ = 189235200.

The previous prime is 213232213. The next prime is 213232249. The reversal of 213232241 is 142232312.

It is a cyclic number.

It is not a de Polignac number, because 213232241 - 2⁶ = 213232177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213232249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23921 + ... + 31601.

It is an arithmetic number, because the mean of its divisors is an integer number (14933808).

Almost surely, 2^213232241 is an apocalyptic number.

It is an amenable number.

213232241 is a deficient number, since it is larger than the sum of its proper divisors (25708687).

213232241 is a wasteful number, since it uses less digits than its factorization.

213232241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792.

The product of its digits is 576, while the sum is 20.

The square root of 213232241 is about 14602.4737972715. The cubic root of 213232241 is about 597.4262355323.

Adding to 213232241 its reverse (142232312), we get a palindrome (355464553).

The spelling of 213232241 in words is "two hundred thirteen million, two hundred thirty-two thousand, two hundred forty-one".