172325 has 12 divisors (see below), whose sum is σ = 219108. Its totient is φ = 134400.

The previous prime is 172321. The next prime is 172331. The reversal of 172325 is 523271.

It can be written as a sum of positive squares in 6 ways, for example, as 83521 + 88804 = 289^2 + 298^2 .

It is not a de Polignac number, because 172325 - 2² = 172321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172297 and 172306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172321) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1469 + ... + 1581.

It is an arithmetic number, because the mean of its divisors is an integer number (18259).

2¹⁷²³²⁵ is an apocalyptic number.

It is an amenable number.

172325 is a deficient number, since it is larger than the sum of its proper divisors (46783).

172325 is a wasteful number, since it uses less digits than its factorization.

172325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 179 counting only the distinct ones).

The product of its digits is 420, while the sum is 20.

The square root of 172325 is about 415.1204644438. The cubic root of 172325 is about 55.6479831802.

Adding to 172325 its reverse (523271), we get a palindrome (695596).

The spelling of 172325 in words is "one hundred seventy-two thousand, three hundred twenty-five".