545475173 has 4 divisors (see below), whose sum is σ = 545545440. Its totient is φ = 545404908.

The previous prime is 545475169. The next prime is 545475187. The reversal of 545475173 is 371574545.

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 545475173 - 2² = 545475169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545475173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545475103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21803 + ... + 39576.

It is an arithmetic number, because the mean of its divisors is an integer number (136386360).

Almost surely, 2^545475173 is an apocalyptic number.

It is an amenable number.

545475173 is a deficient number, since it is larger than the sum of its proper divisors (70267).

545475173 is an equidigital number, since it uses as much as digits as its factorization.

545475173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70266.

The product of its digits is 294000, while the sum is 41.

The square root of 545475173 is about 23355.4099300355. The cubic root of 545475173 is about 817.0682401189.

The spelling of 545475173 in words is "five hundred forty-five million, four hundred seventy-five thousand, one hundred seventy-three".