213340441 has 4 divisors (see below), whose sum is σ = 213512500. Its totient is φ = 213168384.

The previous prime is 213340427. The next prime is 213340447. The reversal of 213340441 is 144043312.

213340441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 71825625 + 141514816 = 8475^2 + 11896^2 .

It is a cyclic number.

It is not a de Polignac number, because 213340441 - 2¹¹ = 213338393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213340447) 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, 84156 + ... + 86653.

It is an arithmetic number, because the mean of its divisors is an integer number (53378125).

Almost surely, 2^213340441 is an apocalyptic number.

It is an amenable number.

213340441 is a deficient number, since it is larger than the sum of its proper divisors (172059).

213340441 is a wasteful number, since it uses less digits than its factorization.

213340441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172058.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 213340441 is about 14606.1781791131. The cubic root of 213340441 is about 597.5272687029.

Adding to 213340441 its reverse (144043312), we get a palindrome (357383753).

The spelling of 213340441 in words is "two hundred thirteen million, three hundred forty thousand, four hundred forty-one".