173353493 has 2 divisors, whose sum is σ = 173353494. Its totient is φ = 173353492.

The previous prime is 173353487. The next prime is 173353501. The reversal of 173353493 is 394353371.

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., 99960004 + 73393489 = 9998^2 + 8567^2 .

It is an emirp because it is prime and its reverse (394353371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173353493 - 2²⁰ = 172304917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173353483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86676746 + 86676747.

It is an arithmetic number, because the mean of its divisors is an integer number (86676747).

Almost surely, 2^173353493 is an apocalyptic number.

It is an amenable number.

173353493 is a deficient number, since it is larger than the sum of its proper divisors (1).

173353493 is an equidigital number, since it uses as much as digits as its factorization.

173353493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 38.

The square root of 173353493 is about 13166.3773681298. The cubic root of 173353493 is about 557.5847222553.

The spelling of 173353493 in words is "one hundred seventy-three million, three hundred fifty-three thousand, four hundred ninety-three".