172854725 has 12 divisors (see below), whose sum is σ = 226948644. Its totient is φ = 130149120.

The previous prime is 172854697. The next prime is 172854727. The reversal of 172854725 is 527458271.

172854725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 14145121 + 158709604 = 3761^2 + 12598^2 .

It is not a de Polignac number, because 172854725 - 2¹⁶ = 172789189 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 (172854727) 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, 202934 + ... + 203783.

It is an arithmetic number, because the mean of its divisors is an integer number (18912387).

Almost surely, 2^172854725 is an apocalyptic number.

It is an amenable number.

172854725 is a deficient number, since it is larger than the sum of its proper divisors (54093919).

172854725 is a wasteful number, since it uses less digits than its factorization.

172854725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406744 (or 406739 counting only the distinct ones).

The product of its digits is 156800, while the sum is 41.

The square root of 172854725 is about 13147.4227512467. The cubic root of 172854725 is about 557.0494526583.

The spelling of 172854725 in words is "one hundred seventy-two million, eight hundred fifty-four thousand, seven hundred twenty-five".