545304241 has 4 divisors (see below), whose sum is σ = 545482084. Its totient is φ = 545126400.

The previous prime is 545304191. The next prime is 545304281. The reversal of 545304241 is 142403545.

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 21123216 + 524181025 = 4596^2 + 22895^2 .

It is a cyclic number.

It is not a de Polignac number, because 545304241 - 2¹⁷ = 545173169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545304281) 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, 84240 + ... + 90481.

It is an arithmetic number, because the mean of its divisors is an integer number (136370521).

Almost surely, 2^545304241 is an apocalyptic number.

It is an amenable number.

545304241 is a deficient number, since it is larger than the sum of its proper divisors (177843).

545304241 is a wasteful number, since it uses less digits than its factorization.

545304241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177842.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 545304241 is about 23351.7502770135. The cubic root of 545304241 is about 816.9828847527.

Adding to 545304241 its reverse (142403545), we get a palindrome (687707786).

It can be divided in two parts, 545304 and 241, that added together give a palindrome (545545).

The spelling of 545304241 in words is "five hundred forty-five million, three hundred four thousand, two hundred forty-one".