173608493 has 2 divisors, whose sum is σ = 173608494. Its totient is φ = 173608492.

The previous prime is 173608483. The next prime is 173608499. The reversal of 173608493 is 394806371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161239204 + 12369289 = 12698^2 + 3517^2 .

It is a cyclic number.

It is not a de Polignac number, because 173608493 - 2⁶ = 173608429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173608493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173608499) 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, 86804246 + 86804247.

It is an arithmetic number, because the mean of its divisors is an integer number (86804247).

Almost surely, 2^173608493 is an apocalyptic number.

It is an amenable number.

173608493 is a deficient number, since it is larger than the sum of its proper divisors (1).

173608493 is an equidigital number, since it uses as much as digits as its factorization.

173608493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 173608493 is about 13176.0575666623. The cubic root of 173608493 is about 557.8579874813.

The spelling of 173608493 in words is "one hundred seventy-three million, six hundred eight thousand, four hundred ninety-three".