173093913 has 12 divisors (see below), whose sum is σ = 251619108. Its totient is φ = 114660000.

The previous prime is 173093911. The next prime is 173093917. The reversal of 173093913 is 319390371.

It can be written as a sum of positive squares in 2 ways, for example, as 132987024 + 40106889 = 11532^2 + 6333^2 .

It is not a de Polignac number, because 173093913 - 2¹ = 173093911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173093911) 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 in 11 ways as a sum of consecutive naturals, for example, 59838 + ... + 62663.

It is an arithmetic number, because the mean of its divisors is an integer number (20968259).

Almost surely, 2^173093913 is an apocalyptic number.

It is an amenable number.

173093913 is a deficient number, since it is larger than the sum of its proper divisors (78525195).

173093913 is a wasteful number, since it uses less digits than its factorization.

173093913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122664 (or 122661 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 36.

The square root of 173093913 is about 13156.5159901852. The cubic root of 173093913 is about 557.3062735906.

The spelling of 173093913 in words is "one hundred seventy-three million, ninety-three thousand, nine hundred thirteen".