8173111252 has 12 divisors (see below), whose sum is σ = 14304829140. Its totient is φ = 4086017216.

The previous prime is 8173111217. The next prime is 8173111259. The reversal of 8173111252 is 2521113718.

It can be written as a sum of positive squares in 2 ways, for example, as 9265936 + 8163845316 = 3044^2 + 90354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8173111259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99427 + ... + 161962.

It is an arithmetic number, because the mean of its divisors is an integer number (1192069095).

Almost surely, 2^8173111252 is an apocalyptic number.

It is an amenable number.

8173111252 is a deficient number, since it is larger than the sum of its proper divisors (6131717888).

8173111252 is a wasteful number, since it uses less digits than its factorization.

8173111252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269210 (or 269208 counting only the distinct ones).

The product of its digits is 3360, while the sum is 31.

The square root of 8173111252 is about 90405.2611964591. The cubic root of 8173111252 is about 2014.3231169593.

The spelling of 8173111252 in words is "eight billion, one hundred seventy-three million, one hundred eleven thousand, two hundred fifty-two".