173545093 has 2 divisors, whose sum is σ = 173545094. Its totient is φ = 173545092.

The previous prime is 173545091. The next prime is 173545111. The reversal of 173545093 is 390545371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172580769 + 964324 = 13137^2 + 982^2 .

It is an emirp because it is prime and its reverse (390545371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173545093 - 2¹ = 173545091 is a prime.

Together with 173545091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173545091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86772546 + 86772547.

It is an arithmetic number, because the mean of its divisors is an integer number (86772547).

Almost surely, 2^173545093 is an apocalyptic number.

It is an amenable number.

173545093 is a deficient number, since it is larger than the sum of its proper divisors (1).

173545093 is an equidigital number, since it uses as much as digits as its factorization.

173545093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 173545093 is about 13173.6514679872. The cubic root of 173545093 is about 557.7900712520.

The spelling of 173545093 in words is "one hundred seventy-three million, five hundred forty-five thousand, ninety-three".