47971 has 12 divisors (see below), whose sum is σ = 61560. Its totient is φ = 36960.

The previous prime is 47969. The next prime is 47977. The reversal of 47971 is 17974.

It is not a de Polignac number, because 47971 - 2¹ = 47969 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15 and base 16.

It is not an unprimeable number, because it can be changed into a prime (47977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495 + ... + 583.

It is an arithmetic number, because the mean of its divisors is an integer number (5130).

2⁴⁷⁹⁷¹ is an apocalyptic number.

47971 is a deficient number, since it is larger than the sum of its proper divisors (13589).

47971 is a wasteful number, since it uses less digits than its factorization.

47971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 107 counting only the distinct ones).

The product of its digits is 1764, while the sum is 28.

The square root of 47971 is about 219.0228298603. The cubic root of 47971 is about 36.3350914242.

The spelling of 47971 in words is "forty-seven thousand, nine hundred seventy-one".