252716173 has 8 divisors (see below), whose sum is σ = 255503160. Its totient is φ = 249937920.

The previous prime is 252716171. The next prime is 252716197. The reversal of 252716173 is 371617252.

It can be written as a sum of positive squares in 4 ways, for example, as 33143049 + 219573124 = 5757^2 + 14818^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252716173 - 2¹ = 252716171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252716171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68061 + ... + 71677.

It is an arithmetic number, because the mean of its divisors is an integer number (31937895).

Almost surely, 2^252716173 is an apocalyptic number.

It is an amenable number.

252716173 is a deficient number, since it is larger than the sum of its proper divisors (2786987).

252716173 is a wasteful number, since it uses less digits than its factorization.

252716173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367.

The product of its digits is 17640, while the sum is 34.

The square root of 252716173 is about 15897.0491915953. The cubic root of 252716173 is about 632.2337544294.

The spelling of 252716173 in words is "two hundred fifty-two million, seven hundred sixteen thousand, one hundred seventy-three".