172555125 has 16 divisors (see below), whose sum is σ = 287132352. Its totient is φ = 92029200.

The previous prime is 172555111. The next prime is 172555127. The reversal of 172555125 is 521555271.

It is not a de Polignac number, because 172555125 - 2⁸ = 172554869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172555127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229699 + ... + 230448.

It is an arithmetic number, because the mean of its divisors is an integer number (17945772).

Almost surely, 2^172555125 is an apocalyptic number.

172555125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172555125 is a deficient number, since it is larger than the sum of its proper divisors (114577227).

172555125 is an equidigital number, since it uses as much as digits as its factorization.

172555125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460165 (or 460155 counting only the distinct ones).

The product of its digits is 17500, while the sum is 33.

The square root of 172555125 is about 13136.0239418174. The cubic root of 172555125 is about 556.7274317036.

The spelling of 172555125 in words is "one hundred seventy-two million, five hundred fifty-five thousand, one hundred twenty-five".