47011 has 4 divisors (see below), whose sum is σ = 47952. Its totient is φ = 46072.

The previous prime is 46997. The next prime is 47017. The reversal of 47011 is 11074.

47011 = 86² + 87² + ... + 91².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47011 - 2⁹ = 46499 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46982 and 47000.

It is not an unprimeable number, because it can be changed into a prime (47017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391 + ... + 496.

It is an arithmetic number, because the mean of its divisors is an integer number (11988).

2⁴⁷⁰¹¹ is an apocalyptic number.

47011 is a deficient number, since it is larger than the sum of its proper divisors (941).

47011 is an equidigital number, since it uses as much as digits as its factorization.

47011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 47011 is about 216.8202020108. The cubic root of 47011 is about 36.0910759780.

Adding to 47011 its reverse (11074), we get a palindrome (58085).

Subtracting from 47011 its reverse (11074), we obtain a cube (35937 = 33³).

The spelling of 47011 in words is "forty-seven thousand, eleven", and thus it is an iban number.