172000249 has 8 divisors (see below), whose sum is σ = 174236832. Its totient is φ = 169777920.

The previous prime is 172000229. The next prime is 172000259. The reversal of 172000249 is 942000271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172000249 - 2¹¹ = 171998201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172000219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21882 + ... + 28684.

It is an arithmetic number, because the mean of its divisors is an integer number (21779604).

Almost surely, 2^172000249 is an apocalyptic number.

It is an amenable number.

172000249 is a deficient number, since it is larger than the sum of its proper divisors (2236583).

172000249 is a wasteful number, since it uses less digits than its factorization.

172000249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 172000249 is about 13114.8865416366. The cubic root of 172000249 is about 556.1300450169.

The spelling of 172000249 in words is "one hundred seventy-two million, two hundred forty-nine", and thus it is an aban number.