47165317 has 2 divisors, whose sum is σ = 47165318. Its totient is φ = 47165316.

The previous prime is 47165297. The next prime is 47165329. The reversal of 47165317 is 71356174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35117476 + 12047841 = 5926^2 + 3471^2 .

It is a cyclic number.

It is not a de Polignac number, because 47165317 - 2¹⁵ = 47132549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47165117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23582658 + 23582659.

It is an arithmetic number, because the mean of its divisors is an integer number (23582659).

Almost surely, 2^47165317 is an apocalyptic number.

It is an amenable number.

47165317 is a deficient number, since it is larger than the sum of its proper divisors (1).

47165317 is an equidigital number, since it uses as much as digits as its factorization.

47165317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 47165317 is about 6867.7009981507. The cubic root of 47165317 is about 361.3052336693.

The spelling of 47165317 in words is "forty-seven million, one hundred sixty-five thousand, three hundred seventeen".