173450065 has 32 divisors (see below), whose sum is σ = 225862560. Its totient is φ = 127401984.

The previous prime is 173450051. The next prime is 173450077. The reversal of 173450065 is 560054371.

It can be written as a sum of positive squares in 16 ways, for example, as 23338561 + 150111504 = 4831^2 + 12252^2 .

It is a 5-Lehmer number, since φ(173450065) divides (173450065-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 173450065 - 2⁵ = 173450033 is a prime.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 898609 + ... + 898801.

It is an arithmetic number, because the mean of its divisors is an integer number (7058205).

Almost surely, 2^173450065 is an apocalyptic number.

It is an amenable number.

173450065 is a deficient number, since it is larger than the sum of its proper divisors (52412495).

173450065 is a wasteful number, since it uses less digits than its factorization.

173450065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 173450065 is about 13170.0442292348. The cubic root of 173450065 is about 557.6882430534.

The spelling of 173450065 in words is "one hundred seventy-three million, four hundred fifty thousand, sixty-five".