173013493 has 2 divisors, whose sum is σ = 173013494. Its totient is φ = 173013492.

The previous prime is 173013479. The next prime is 173013527. The reversal of 173013493 is 394310371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109683729 + 63329764 = 10473^2 + 7958^2 .

It is a cyclic number.

It is not a de Polignac number, because 173013493 - 2⁵ = 173013461 is a prime.

It is a super-2 number, since 2×173013493² = 59867337520122098, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173013413) 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, 86506746 + 86506747.

It is an arithmetic number, because the mean of its divisors is an integer number (86506747).

Almost surely, 2^173013493 is an apocalyptic number.

It is an amenable number.

173013493 is a deficient number, since it is larger than the sum of its proper divisors (1).

173013493 is an equidigital number, since it uses as much as digits as its factorization.

173013493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 173013493 is about 13153.4593548617. The cubic root of 173013493 is about 557.2199514462.

The spelling of 173013493 in words is "one hundred seventy-three million, thirteen thousand, four hundred ninety-three".