201444213 has 16 divisors (see below), whose sum is σ = 283056320. Its totient is φ = 127080576.

The previous prime is 201444181. The next prime is 201444223. The reversal of 201444213 is 312444102.

It is not a de Polignac number, because 201444213 - 2⁵ = 201444181 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 201444213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201444223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69081 + ... + 71937.

It is an arithmetic number, because the mean of its divisors is an integer number (17691020).

Almost surely, 2^201444213 is an apocalyptic number.

It is an amenable number.

201444213 is a deficient number, since it is larger than the sum of its proper divisors (81612107).

201444213 is a wasteful number, since it uses less digits than its factorization.

201444213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 201444213 is about 14193.1044172866. The cubic root of 201444213 is about 586.2078077724.

Adding to 201444213 its reverse (312444102), we get a palindrome (513888315).

The spelling of 201444213 in words is "two hundred one million, four hundred forty-four thousand, two hundred thirteen".