213441441 has 16 divisors (see below), whose sum is σ = 292795776. Its totient is φ = 138243456.

The previous prime is 213441439. The next prime is 213441451. The reversal of 213441441 is 144144312.

It is not a de Polignac number, because 213441441 - 2¹ = 213441439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213441401) 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, 9861 + ... + 22893.

It is an arithmetic number, because the mean of its divisors is an integer number (18299736).

Almost surely, 2^213441441 is an apocalyptic number.

It is an amenable number.

213441441 is a deficient number, since it is larger than the sum of its proper divisors (79354335).

213441441 is a wasteful number, since it uses less digits than its factorization.

213441441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13192.

The product of its digits is 1536, while the sum is 24.

The square root of 213441441 is about 14609.6352110516. The cubic root of 213441441 is about 597.6215479570.

Adding to 213441441 its reverse (144144312), we get a palindrome (357585753).

The spelling of 213441441 in words is "two hundred thirteen million, four hundred forty-one thousand, four hundred forty-one".