172324252 has 12 divisors (see below), whose sum is σ = 303418696. Its totient is φ = 85633200.

The previous prime is 172324247. The next prime is 172324259. The reversal of 172324252 is 252423271.

172324252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 172324252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172324259) 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, 131499 + ... + 132802.

Almost surely, 2^172324252 is an apocalyptic number.

It is an amenable number.

172324252 is a deficient number, since it is larger than the sum of its proper divisors (131094444).

172324252 is a wasteful number, since it uses less digits than its factorization.

172324252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264468 (or 264466 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 172324252 is about 13127.2332195326. The cubic root of 172324252 is about 556.4790266419.

The spelling of 172324252 in words is "one hundred seventy-two million, three hundred twenty-four thousand, two hundred fifty-two".