47513161 has 2 divisors, whose sum is σ = 47513162. Its totient is φ = 47513160.

The previous prime is 47513077. The next prime is 47513177. The reversal of 47513161 is 16131574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29365561 + 18147600 = 5419^2 + 4260^2 .

It is a cyclic number.

It is not a de Polignac number, because 47513161 - 2⁹ = 47512649 is a prime.

It is not a weakly prime, because it can be changed into another prime (47513261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23756580 + 23756581.

It is an arithmetic number, because the mean of its divisors is an integer number (23756581).

Almost surely, 2^47513161 is an apocalyptic number.

It is an amenable number.

47513161 is a deficient number, since it is larger than the sum of its proper divisors (1).

47513161 is an equidigital number, since it uses as much as digits as its factorization.

47513161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 47513161 is about 6892.9791092096. The cubic root of 47513161 is about 362.1912672174.

It can be divided in two parts, 47513 and 161, that added together give a palindrome (47674).

The spelling of 47513161 in words is "forty-seven million, five hundred thirteen thousand, one hundred sixty-one".