172054317 has 8 divisors (see below), whose sum is σ = 229584960. Its totient is φ = 114613280.

The previous prime is 172054279. The next prime is 172054319. The reversal of 172054317 is 713450271.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172054317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172054319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17784 + ... + 25697.

It is an arithmetic number, because the mean of its divisors is an integer number (28698120).

Almost surely, 2^172054317 is an apocalyptic number.

It is an amenable number.

172054317 is a deficient number, since it is larger than the sum of its proper divisors (57530643).

172054317 is a wasteful number, since it uses less digits than its factorization.

172054317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44803.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 172054317 is about 13116.9477013519. The cubic root of 172054317 is about 556.1883117720.

The spelling of 172054317 in words is "one hundred seventy-two million, fifty-four thousand, three hundred seventeen".