213104413 has 2 divisors, whose sum is σ = 213104414. Its totient is φ = 213104412.

The previous prime is 213104393. The next prime is 213104449. The reversal of 213104413 is 314401312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213101604 + 2809 = 14598^2 + 53^2 .

It is a cyclic number.

It is not a de Polignac number, because 213104413 - 2²¹ = 211007261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213104713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106552206 + 106552207.

It is an arithmetic number, because the mean of its divisors is an integer number (106552207).

Almost surely, 2^213104413 is an apocalyptic number.

It is an amenable number.

213104413 is a deficient number, since it is larger than the sum of its proper divisors (1).

213104413 is an equidigital number, since it uses as much as digits as its factorization.

213104413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 213104413 is about 14598.0962114928. The cubic root of 213104413 is about 597.3068304089.

Adding to 213104413 its reverse (314401312), we get a palindrome (527505725).

The spelling of 213104413 in words is "two hundred thirteen million, one hundred four thousand, four hundred thirteen".