539552173 has 2 divisors, whose sum is σ = 539552174. Its totient is φ = 539552172.

The previous prime is 539552159. The next prime is 539552191. The reversal of 539552173 is 371255935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506340004 + 33212169 = 22502^2 + 5763^2 .

It is a cyclic number.

It is not a de Polignac number, because 539552173 - 2⁵ = 539552141 is a prime.

It is a super-2 number, since 2×539552173² = 582233094778043858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539552113) 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, 269776086 + 269776087.

It is an arithmetic number, because the mean of its divisors is an integer number (269776087).

Almost surely, 2^539552173 is an apocalyptic number.

It is an amenable number.

539552173 is a deficient number, since it is larger than the sum of its proper divisors (1).

539552173 is an equidigital number, since it uses as much as digits as its factorization.

539552173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141750, while the sum is 40.

The square root of 539552173 is about 23228.2623758214. The cubic root of 539552173 is about 814.1001135551.

The spelling of 539552173 in words is "five hundred thirty-nine million, five hundred fifty-two thousand, one hundred seventy-three".