47513117 has 4 divisors (see below), whose sum is σ = 48222336. Its totient is φ = 46803900.

The previous prime is 47513077. The next prime is 47513161. The reversal of 47513117 is 71131574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71131574 = 2 ⋅35565787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47513117 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 47513117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47513177) 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, 354509 + ... + 354642.

It is an arithmetic number, because the mean of its divisors is an integer number (12055584).

Almost surely, 2^47513117 is an apocalyptic number.

It is an amenable number.

47513117 is a deficient number, since it is larger than the sum of its proper divisors (709219).

47513117 is an equidigital number, since it uses as much as digits as its factorization.

47513117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709218.

The product of its digits is 2940, while the sum is 29.

The square root of 47513117 is about 6892.9759175555. The cubic root of 47513117 is about 362.1911554138.

The spelling of 47513117 in words is "forty-seven million, five hundred thirteen thousand, one hundred seventeen".