173201997 has 8 divisors (see below), whose sum is σ = 234722080. Its totient is φ = 113574960.

The previous prime is 173201953. The next prime is 173202013. The reversal of 173201997 is 799102371.

173201997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 173201997 - 2⁷ = 173201869 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 (173201947) 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, 473047 + ... + 473412.

It is an arithmetic number, because the mean of its divisors is an integer number (29340260).

Almost surely, 2^173201997 is an apocalyptic number.

It is an amenable number.

173201997 is a deficient number, since it is larger than the sum of its proper divisors (61520083).

173201997 is an equidigital number, since it uses as much as digits as its factorization.

173201997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946523.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 173201997 is about 13160.6229715770. The cubic root of 173201997 is about 557.4222479327.

The spelling of 173201997 in words is "one hundred seventy-three million, two hundred one thousand, nine hundred ninety-seven".