211411713 has 8 divisors (see below), whose sum is σ = 284468800. Its totient is φ = 139647888.

The previous prime is 211411679. The next prime is 211411721. The reversal of 211411713 is 317114112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211411713 - 2⁶ = 211411649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211411713.

It is not an unprimeable number, because it can be changed into a prime (211411763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322933 + ... + 323586.

It is an arithmetic number, because the mean of its divisors is an integer number (35558600).

Almost surely, 2^211411713 is an apocalyptic number.

It is an amenable number.

211411713 is a deficient number, since it is larger than the sum of its proper divisors (73057087).

211411713 is a wasteful number, since it uses less digits than its factorization.

211411713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646631.

The product of its digits is 168, while the sum is 21.

The square root of 211411713 is about 14540.0038858317. The cubic root of 211411713 is about 595.7211443046.

Adding to 211411713 its reverse (317114112), we get a palindrome (528525825).

The spelling of 211411713 in words is "two hundred eleven million, four hundred eleven thousand, seven hundred thirteen".