47015171 has 4 divisors (see below), whose sum is σ = 53731632. Its totient is φ = 40298712.

The previous prime is 47015167. The next prime is 47015203. The reversal of 47015171 is 17151074.

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 47015171 - 2² = 47015167 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 47015171.

It is not an unprimeable number, because it can be changed into a prime (47015141) 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, 3358220 + ... + 3358233.

It is an arithmetic number, because the mean of its divisors is an integer number (13432908).

Almost surely, 2^47015171 is an apocalyptic number.

47015171 is a deficient number, since it is larger than the sum of its proper divisors (6716461).

47015171 is an equidigital number, since it uses as much as digits as its factorization.

47015171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716460.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 47015171 is about 6856.7609700208. The cubic root of 47015171 is about 360.9214332697.

The spelling of 47015171 in words is "forty-seven million, fifteen thousand, one hundred seventy-one".