47003 has 4 divisors (see below), whose sum is σ = 51288. Its totient is φ = 42720.

The previous prime is 46997. The next prime is 47017. The reversal of 47003 is 30074.

47003 is nontrivially palindromic in base 5.

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 47003 - 2⁸ = 46747 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (12822).

2⁴⁷⁰⁰³ is an apocalyptic number.

47003 is a deficient number, since it is larger than the sum of its proper divisors (4285).

47003 is a wasteful number, since it uses less digits than its factorization.

47003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 47003 is about 216.8017527604. The cubic root of 47003 is about 36.0890286204.

Adding to 47003 its reverse (30074), we get a palindrome (77077).

It can be divided in two parts, 4 and 7003, that added together give a palindrome (7007).

The spelling of 47003 in words is "forty-seven thousand, three", and thus it is an iban number.