172525 has 12 divisors (see below), whose sum is σ = 219232. Its totient is φ = 134640.

The previous prime is 172519. The next prime is 172541. The reversal of 172525 is 525271.

It is not a de Polignac number, because 172525 - 2³ = 172517 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

Its product of digits (700) is a multiple of the sum of its prime divisors (175).

172525 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 172496 and 172505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1624 + ... + 1726.

2¹⁷²⁵²⁵ is an apocalyptic number.

It is an amenable number.

172525 is a deficient number, since it is larger than the sum of its proper divisors (46707).

172525 is a wasteful number, since it uses less digits than its factorization.

172525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 175 counting only the distinct ones).

The product of its digits is 700, while the sum is 22.

The square root of 172525 is about 415.3612885188. The cubic root of 172525 is about 55.6695031642.

Adding to 172525 its reverse (525271), we get a palindrome (697796).

The spelling of 172525 in words is "one hundred seventy-two thousand, five hundred twenty-five".