52208171 has 2 divisors, whose sum is σ = 52208172. Its totient is φ = 52208170.

The previous prime is 52208159. The next prime is 52208197. The reversal of 52208171 is 17180225.

It is an a-pointer prime, because the next prime (52208197) can be obtained adding 52208171 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52208171 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 52208171.

It is not a weakly prime, because it can be changed into another prime (52208111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26104085 + 26104086.

It is an arithmetic number, because the mean of its divisors is an integer number (26104086).

Almost surely, 2^52208171 is an apocalyptic number.

52208171 is a deficient number, since it is larger than the sum of its proper divisors (1).

52208171 is an equidigital number, since it uses as much as digits as its factorization.

52208171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 52208171 is about 7225.5221956617. The cubic root of 52208171 is about 373.7485298019.

Adding to 52208171 its reverse (17180225), we get a palindrome (69388396).

The spelling of 52208171 in words is "fifty-two million, two hundred eight thousand, one hundred seventy-one".