506325173 has 2 divisors, whose sum is σ = 506325174. Its totient is φ = 506325172.

The previous prime is 506325133. The next prime is 506325179. The reversal of 506325173 is 371523605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425720689 + 80604484 = 20633^2 + 8978^2 .

It is a cyclic number.

It is not a de Polignac number, because 506325173 - 2⁶ = 506325109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506325179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253162586 + 253162587.

It is an arithmetic number, because the mean of its divisors is an integer number (253162587).

Almost surely, 2^506325173 is an apocalyptic number.

It is an amenable number.

506325173 is a deficient number, since it is larger than the sum of its proper divisors (1).

506325173 is an equidigital number, since it uses as much as digits as its factorization.

506325173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 506325173 is about 22501.6704491022. The cubic root of 506325173 is about 797.0333734445.

Adding to 506325173 its reverse (371523605), we get a palindrome (877848778).

The spelling of 506325173 in words is "five hundred six million, three hundred twenty-five thousand, one hundred seventy-three".