47136161 has 2 divisors, whose sum is σ = 47136162. Its totient is φ = 47136160.

The previous prime is 47136139. The next prime is 47136163. The reversal of 47136161 is 16163174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35473936 + 11662225 = 5956^2 + 3415^2 .

It is a cyclic number.

It is not a de Polignac number, because 47136161 - 2⁶ = 47136097 is a prime.

Together with 47136163, 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 (47136163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23568080 + 23568081.

It is an arithmetic number, because the mean of its divisors is an integer number (23568081).

Almost surely, 2^47136161 is an apocalyptic number.

It is an amenable number.

47136161 is a deficient number, since it is larger than the sum of its proper divisors (1).

47136161 is an equidigital number, since it uses as much as digits as its factorization.

47136161 is an odious number, because the sum of its binary digits is odd.

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

The square root of 47136161 is about 6865.5779800393. The cubic root of 47136161 is about 361.2307694412.

The spelling of 47136161 in words is "forty-seven million, one hundred thirty-six thousand, one hundred sixty-one".