173356961 has 2 divisors, whose sum is σ = 173356962. Its totient is φ = 173356960.

The previous prime is 173356943. The next prime is 173356999. The reversal of 173356961 is 169653371.

173356961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167857936 + 5499025 = 12956^2 + 2345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173356961 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (173356901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86678480 + 86678481.

It is an arithmetic number, because the mean of its divisors is an integer number (86678481).

Almost surely, 2^173356961 is an apocalyptic number.

It is an amenable number.

173356961 is a deficient number, since it is larger than the sum of its proper divisors (1).

173356961 is an equidigital number, since it uses as much as digits as its factorization.

173356961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 41.

The square root of 173356961 is about 13166.5090665673. The cubic root of 173356961 is about 557.5884404593.

The spelling of 173356961 in words is "one hundred seventy-three million, three hundred fifty-six thousand, nine hundred sixty-one".