47757161 has 2 divisors, whose sum is σ = 47757162. Its totient is φ = 47757160.

The previous prime is 47757139. The next prime is 47757163. The reversal of 47757161 is 16175774.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41203561 + 6553600 = 6419^2 + 2560^2 .

It is a cyclic number.

It is not a de Polignac number, because 47757161 - 2¹⁸ = 47495017 is a prime.

Together with 47757163, 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 (47757163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23878580 + 23878581.

It is an arithmetic number, because the mean of its divisors is an integer number (23878581).

Almost surely, 2^47757161 is an apocalyptic number.

It is an amenable number.

47757161 is a deficient number, since it is larger than the sum of its proper divisors (1).

47757161 is an equidigital number, since it uses as much as digits as its factorization.

47757161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 38.

The square root of 47757161 is about 6910.6556128923. The cubic root of 47757161 is about 362.8102102439.

The spelling of 47757161 in words is "forty-seven million, seven hundred fifty-seven thousand, one hundred sixty-one".