211047 has 8 divisors (see below), whose sum is σ = 284544. Its totient is φ = 139128.

The previous prime is 211039. The next prime is 211049. The reversal of 211047 is 740112.

211047 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 211047 - 2³ = 211039 is a prime.

211047 is strictly pandigital in base 7.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 211047.

It is not an unprimeable number, because it can be changed into a prime (211049) 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, 33 + ... + 650.

It is an arithmetic number, because the mean of its divisors is an integer number (35568).

2²¹¹⁰⁴⁷ is an apocalyptic number.

211047 is a deficient number, since it is larger than the sum of its proper divisors (73497).

211047 is a wasteful number, since it uses less digits than its factorization.

211047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 211047 is about 459.3985198061. The cubic root of 211047 is about 59.5378381360.

Adding to 211047 its reverse (740112), we get a palindrome (951159).

The spelling of 211047 in words is "two hundred eleven thousand, forty-seven", and thus it is an iban number.