545325205 has 4 divisors (see below), whose sum is σ = 654390252. Its totient is φ = 436260160.

The previous prime is 545325199. The next prime is 545325241. The reversal of 545325205 is 502523545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122899396 + 422425809 = 11086^2 + 20553^2 .

It is not a de Polignac number, because 545325205 - 2²³ = 536936597 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54532516 + ... + 54532525.

It is an arithmetic number, because the mean of its divisors is an integer number (163597563).

Almost surely, 2^545325205 is an apocalyptic number.

It is an amenable number.

545325205 is a deficient number, since it is larger than the sum of its proper divisors (109065047).

545325205 is a wasteful number, since it uses less digits than its factorization.

545325205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109065046.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 545325205 is about 23352.1991469754. The cubic root of 545325205 is about 816.9933541435.

The spelling of 545325205 in words is "five hundred forty-five million, three hundred twenty-five thousand, two hundred five".