47316161 has 2 divisors, whose sum is σ = 47316162. Its totient is φ = 47316160.

The previous prime is 47316133. The next prime is 47316163. The reversal of 47316161 is 16161374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28826161 + 18490000 = 5369^2 + 4300^2 .

It is a cyclic number.

It is not a de Polignac number, because 47316161 - 2⁶ = 47316097 is a prime.

Together with 47316163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47316163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23658080 + 23658081.

It is an arithmetic number, because the mean of its divisors is an integer number (23658081).

Almost surely, 2^47316161 is an apocalyptic number.

It is an amenable number.

47316161 is a deficient number, since it is larger than the sum of its proper divisors (1).

47316161 is an equidigital number, since it uses as much as digits as its factorization.

47316161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 47316161 is about 6878.6743635674. The cubic root of 47316161 is about 361.6899989431.

The spelling of 47316161 in words is "forty-seven million, three hundred sixteen thousand, one hundred sixty-one".