173563441 has 2 divisors, whose sum is σ = 173563442. Its totient is φ = 173563440.

The previous prime is 173563417. The next prime is 173563457. The reversal of 173563441 is 144365371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144360225 + 29203216 = 12015^2 + 5404^2 .

It is an emirp because it is prime and its reverse (144365371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173563441 - 2⁵ = 173563409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 173563397 and 173563406.

It is not a weakly prime, because it can be changed into another prime (173561441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86781720 + 86781721.

It is an arithmetic number, because the mean of its divisors is an integer number (86781721).

Almost surely, 2^173563441 is an apocalyptic number.

It is an amenable number.

173563441 is a deficient number, since it is larger than the sum of its proper divisors (1).

173563441 is an equidigital number, since it uses as much as digits as its factorization.

173563441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 173563441 is about 13174.3478396466. The cubic root of 173563441 is about 557.8097279522.

The spelling of 173563441 in words is "one hundred seventy-three million, five hundred sixty-three thousand, four hundred forty-one".