213233201 has 4 divisors (see below), whose sum is σ = 220586100. Its totient is φ = 205880304.

The previous prime is 213233123. The next prime is 213233203. The reversal of 213233201 is 102332312.

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 107143201 + 106090000 = 10351^2 + 10300^2 .

It is a cyclic number.

It is not a de Polignac number, because 213233201 - 2¹⁰ = 213232177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213233201.

It is not an unprimeable number, because it can be changed into a prime (213233203) 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, 3676406 + ... + 3676463.

It is an arithmetic number, because the mean of its divisors is an integer number (55146525).

Almost surely, 2^213233201 is an apocalyptic number.

It is an amenable number.

213233201 is a deficient number, since it is larger than the sum of its proper divisors (7352899).

213233201 is an equidigital number, since it uses as much as digits as its factorization.

213233201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7352898.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213233201 is about 14602.5066683772. The cubic root of 213233201 is about 597.4271320952.

Adding to 213233201 its reverse (102332312), we get a palindrome (315565513).

The spelling of 213233201 in words is "two hundred thirteen million, two hundred thirty-three thousand, two hundred one".