47517 has 8 divisors (see below), whose sum is σ = 64896. Its totient is φ = 30912.

The previous prime is 47513. The next prime is 47521. The reversal of 47517 is 71574.

47517 is nontrivially palindromic in base 2.

It is an interprime number because it is at equal distance from previous prime (47513) and next prime (47521).

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

It is not a de Polignac number, because 47517 - 2² = 47513 is a prime.

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 47517.

It is not an unprimeable number, because it can be changed into a prime (47513) 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, 28 + ... + 309.

It is an arithmetic number, because the mean of its divisors is an integer number (8112).

2⁴⁷⁵¹⁷ is an apocalyptic number.

47517 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

47517 is a deficient number, since it is larger than the sum of its proper divisors (17379).

47517 is a wasteful number, since it uses less digits than its factorization.

47517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387.

The product of its digits is 980, while the sum is 24.

The square root of 47517 is about 217.9839443629. The cubic root of 47517 is about 36.2201021812.

The spelling of 47517 in words is "forty-seven thousand, five hundred seventeen".