493580173 has 2 divisors, whose sum is σ = 493580174. Its totient is φ = 493580172.

The previous prime is 493580141. The next prime is 493580177. The reversal of 493580173 is 371085394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490489609 + 3090564 = 22147^2 + 1758^2 .

It is a cyclic number.

It is not a de Polignac number, because 493580173 - 2⁵ = 493580141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493580177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246790086 + 246790087.

It is an arithmetic number, because the mean of its divisors is an integer number (246790087).

Almost surely, 2^493580173 is an apocalyptic number.

It is an amenable number.

493580173 is a deficient number, since it is larger than the sum of its proper divisors (1).

493580173 is an equidigital number, since it uses as much as digits as its factorization.

493580173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 493580173 is about 22216.6643085770. The cubic root of 493580173 is about 790.2889361313.

The spelling of 493580173 in words is "four hundred ninety-three million, five hundred eighty thousand, one hundred seventy-three".