173601061 has 2 divisors, whose sum is σ = 173601062. Its totient is φ = 173601060.

The previous prime is 173601053. The next prime is 173601073. The reversal of 173601061 is 160106371.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118396161 + 55204900 = 10881^2 + 7430^2 .

It is a cyclic number.

It is not a de Polignac number, because 173601061 - 2³ = 173601053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173601661) 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 as a sum of consecutive naturals, namely, 86800530 + 86800531.

It is an arithmetic number, because the mean of its divisors is an integer number (86800531).

Almost surely, 2^173601061 is an apocalyptic number.

It is an amenable number.

173601061 is a deficient number, since it is larger than the sum of its proper divisors (1).

173601061 is an equidigital number, since it uses as much as digits as its factorization.

173601061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 173601061 is about 13175.7755369466. The cubic root of 173601061 is about 557.8500269266.

The spelling of 173601061 in words is "one hundred seventy-three million, six hundred one thousand, sixty-one".