5172487169 has 2 divisors, whose sum is σ = 5172487170. Its totient is φ = 5172487168.

The previous prime is 5172487163. The next prime is 5172487219. The reversal of 5172487169 is 9617842715.

It is a happy number.

It is an a-pointer prime, because the next prime (5172487219) can be obtained adding 5172487169 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3350904769 + 1821582400 = 57887^2 + 42680^2 .

It is a cyclic number.

It is not a de Polignac number, because 5172487169 - 2⁴ = 5172487153 is a prime.

It is a super-2 number, since 2×5172487169² = 53509247026939269122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5172487163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586243584 + 2586243585.

It is an arithmetic number, because the mean of its divisors is an integer number (2586243585).

Almost surely, 2^5172487169 is an apocalyptic number.

It is an amenable number.

5172487169 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172487169 is an equidigital number, since it uses as much as digits as its factorization.

5172487169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 50.

The square root of 5172487169 is about 71920.0053462178. The cubic root of 5172487169 is about 1729.4173329311.

The spelling of 5172487169 in words is "five billion, one hundred seventy-two million, four hundred eighty-seven thousand, one hundred sixty-nine".