173968541 has 4 divisors (see below), whose sum is σ = 183124800. Its totient is φ = 164812284.

The previous prime is 173968519. The next prime is 173968577. The reversal of 173968541 is 145869371.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 173968541 - 2¹⁰ = 173967517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 173968492 and 173968501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173968511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4578101 + ... + 4578138.

It is an arithmetic number, because the mean of its divisors is an integer number (45781200).

Almost surely, 2^173968541 is an apocalyptic number.

It is an amenable number.

173968541 is a deficient number, since it is larger than the sum of its proper divisors (9156259).

173968541 is an equidigital number, since it uses as much as digits as its factorization.

173968541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9156258.

The product of its digits is 181440, while the sum is 44.

The square root of 173968541 is about 13189.7134540520. The cubic root of 173968541 is about 558.2433698570.

The spelling of 173968541 in words is "one hundred seventy-three million, nine hundred sixty-eight thousand, five hundred forty-one".