5291020171 has 2 divisors, whose sum is σ = 5291020172. Its totient is φ = 5291020170.

The previous prime is 5291020169. The next prime is 5291020213. The reversal of 5291020171 is 1710201925.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5291020171 - 2¹ = 5291020169 is a prime.

Together with 5291020169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5291020151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2645510085 + 2645510086.

It is an arithmetic number, because the mean of its divisors is an integer number (2645510086).

Almost surely, 2^5291020171 is an apocalyptic number.

5291020171 is a deficient number, since it is larger than the sum of its proper divisors (1).

5291020171 is an equidigital number, since it uses as much as digits as its factorization.

5291020171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 5291020171 is about 72739.3990283120. The cubic root of 5291020171 is about 1742.5281620943.

The spelling of 5291020171 in words is "five billion, two hundred ninety-one million, twenty thousand, one hundred seventy-one".