172548125 has 20 divisors (see below), whose sum is σ = 219726540. Its totient is φ = 135408000.

The previous prime is 172548083. The next prime is 172548133. The reversal of 172548125 is 521845271.

It can be written as a sum of positive squares in 10 ways, for example, as 60124516 + 112423609 = 7754^2 + 10603^2 .

It is not a de Polignac number, because 172548125 - 2¹⁴ = 172531741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30521 + ... + 35729.

It is an arithmetic number, because the mean of its divisors is an integer number (10986327).

Almost surely, 2^172548125 is an apocalyptic number.

It is an amenable number.

172548125 is a deficient number, since it is larger than the sum of its proper divisors (47178415).

172548125 is an frugal number, since it uses more digits than its factorization.

172548125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5282 (or 5267 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 172548125 is about 13135.7574962390. The cubic root of 172548125 is about 556.7199033950.

The spelling of 172548125 in words is "one hundred seventy-two million, five hundred forty-eight thousand, one hundred twenty-five".