173165533 has 2 divisors, whose sum is σ = 173165534. Its totient is φ = 173165532.

The previous prime is 173165527. The next prime is 173165539. The reversal of 173165533 is 335561371.

It is a balanced prime because it is at equal distance from previous prime (173165527) and next prime (173165539).

It can be written as a sum of positive squares in only one way, i.e., 121066009 + 52099524 = 11003^2 + 7218^2 .

It is an emirp because it is prime and its reverse (335561371) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173165533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173165539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86582766 + 86582767.

It is an arithmetic number, because the mean of its divisors is an integer number (86582767).

Almost surely, 2^173165533 is an apocalyptic number.

It is an amenable number.

173165533 is a deficient number, since it is larger than the sum of its proper divisors (1).

173165533 is an equidigital number, since it uses as much as digits as its factorization.

173165533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 34.

The square root of 173165533 is about 13159.2375539011. The cubic root of 173165533 is about 557.3831273841.

The spelling of 173165533 in words is "one hundred seventy-three million, one hundred sixty-five thousand, five hundred thirty-three".