211040413 has 2 divisors, whose sum is σ = 211040414. Its totient is φ = 211040412.

The previous prime is 211040411. The next prime is 211040441. The reversal of 211040413 is 314040112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200562244 + 10478169 = 14162^2 + 3237^2 .

It is a cyclic number.

It is not a de Polignac number, because 211040413 - 2¹ = 211040411 is a prime.

Together with 211040411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211040411) 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 as a sum of consecutive naturals, namely, 105520206 + 105520207.

It is an arithmetic number, because the mean of its divisors is an integer number (105520207).

Almost surely, 2^211040413 is an apocalyptic number.

It is an amenable number.

211040413 is a deficient number, since it is larger than the sum of its proper divisors (1).

211040413 is an equidigital number, since it uses as much as digits as its factorization.

211040413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 211040413 is about 14527.2300525599. The cubic root of 211040413 is about 595.3721871660.

Adding to 211040413 its reverse (314040112), we get a palindrome (525080525).

The spelling of 211040413 in words is "two hundred eleven million, forty thousand, four hundred thirteen".