172285925 has 12 divisors (see below), whose sum is σ = 244154016. Its totient is φ = 118138800.

The previous prime is 172285921. The next prime is 172285961. The reversal of 172285925 is 529582271.

It is not a de Polignac number, because 172285925 - 2² = 172285921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172285921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492071 + ... + 492420.

It is an arithmetic number, because the mean of its divisors is an integer number (20346168).

Almost surely, 2^172285925 is an apocalyptic number.

It is an amenable number.

172285925 is a deficient number, since it is larger than the sum of its proper divisors (71868091).

172285925 is an equidigital number, since it uses as much as digits as its factorization.

172285925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984508 (or 984503 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 172285925 is about 13125.7733105520. The cubic root of 172285925 is about 556.4377676920.

The spelling of 172285925 in words is "one hundred seventy-two million, two hundred eighty-five thousand, nine hundred twenty-five".