47098171 has 2 divisors, whose sum is σ = 47098172. Its totient is φ = 47098170.

The previous prime is 47098159. The next prime is 47098199. The reversal of 47098171 is 17189074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47098171 - 2¹¹ = 47096123 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47098171.

It is not a weakly prime, because it can be changed into another prime (47798171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23549085 + 23549086.

It is an arithmetic number, because the mean of its divisors is an integer number (23549086).

Almost surely, 2^47098171 is an apocalyptic number.

47098171 is a deficient number, since it is larger than the sum of its proper divisors (1).

47098171 is an equidigital number, since it uses as much as digits as its factorization.

47098171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 47098171 is about 6862.8107215630. The cubic root of 47098171 is about 361.1336971505.

It can be divided in two parts, 4709 and 8171, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 47098171 in words is "forty-seven million, ninety-eight thousand, one hundred seventy-one".