172053625 has 8 divisors (see below), whose sum is σ = 214723080. Its totient is φ = 137642800.

The previous prime is 172053619. The next prime is 172053647. The reversal of 172053625 is 526350271.

It can be written as a sum of positive squares in 4 ways, for example, as 42367081 + 129686544 = 6509^2 + 11388^2 .

It is not a de Polignac number, because 172053625 - 2²¹ = 169956473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688090 + ... + 688339.

It is an arithmetic number, because the mean of its divisors is an integer number (26840385).

Almost surely, 2^172053625 is an apocalyptic number.

It is an amenable number.

172053625 is a deficient number, since it is larger than the sum of its proper divisors (42669455).

172053625 is an equidigital number, since it uses as much as digits as its factorization.

172053625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376444 (or 1376434 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 172053625 is about 13116.9213232374. The cubic root of 172053625 is about 556.1875661105.

The spelling of 172053625 in words is "one hundred seventy-two million, fifty-three thousand, six hundred twenty-five".