172032265 has 16 divisors (see below), whose sum is σ = 219014928. Its totient is φ = 129273856.

The previous prime is 172032257. The next prime is 172032281. The reversal of 172032265 is 562230271.

It can be written as a sum of positive squares in 8 ways, for example, as 26998416 + 145033849 = 5196^2 + 12043^2 .

It is a cyclic number.

It is not a de Polignac number, because 172032265 - 2³ = 172032257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48699 + ... + 52111.

It is an arithmetic number, because the mean of its divisors is an integer number (13688433).

Almost surely, 2^172032265 is an apocalyptic number.

It is an amenable number.

172032265 is a deficient number, since it is larger than the sum of its proper divisors (46982663).

172032265 is a wasteful number, since it uses less digits than its factorization.

172032265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 172032265 is about 13116.1070825150. The cubic root of 172032265 is about 556.1645487556.

The spelling of 172032265 in words is "one hundred seventy-two million, thirty-two thousand, two hundred sixty-five".