173097961 has 16 divisors (see below), whose sum is σ = 193968000. Its totient is φ = 153508608.

The previous prime is 173097943. The next prime is 173097971. The reversal of 173097961 is 169790371.

It is a cyclic number.

It is not a de Polignac number, because 173097961 - 2¹¹ = 173095913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173097971) 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 15 ways as a sum of consecutive naturals, for example, 62931 + ... + 65623.

It is an arithmetic number, because the mean of its divisors is an integer number (12123000).

Almost surely, 2^173097961 is an apocalyptic number.

It is an amenable number.

173097961 is a deficient number, since it is larger than the sum of its proper divisors (20870039).

173097961 is a wasteful number, since it uses less digits than its factorization.

173097961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 173097961 is about 13156.6698294059. The cubic root of 173097961 is about 557.3106179725.

The spelling of 173097961 in words is "one hundred seventy-three million, ninety-seven thousand, nine hundred sixty-one".