213500411 has 2 divisors, whose sum is σ = 213500412. Its totient is φ = 213500410.

The previous prime is 213500393. The next prime is 213500453. The reversal of 213500411 is 114005312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213500411 - 2⁶ = 213500347 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213500411.

It is not a weakly prime, because it can be changed into another prime (213500311) 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, 106750205 + 106750206.

It is an arithmetic number, because the mean of its divisors is an integer number (106750206).

Almost surely, 2^213500411 is an apocalyptic number.

213500411 is a deficient number, since it is larger than the sum of its proper divisors (1).

213500411 is an equidigital number, since it uses as much as digits as its factorization.

213500411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 213500411 is about 14611.6532603262. The cubic root of 213500411 is about 597.6765802217.

Adding to 213500411 its reverse (114005312), we get a palindrome (327505723).

The spelling of 213500411 in words is "two hundred thirteen million, five hundred thousand, four hundred eleven".