545230013 has 8 divisors (see below), whose sum is σ = 558839736. Its totient is φ = 531635200.

The previous prime is 545230003. The next prime is 545230051. The reversal of 545230013 is 310032545.

It can be written as a sum of positive squares in 4 ways, for example, as 111049444 + 434180569 = 10538^2 + 20837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545230013 - 2¹⁰ = 545228989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545230003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122495 + ... + 126867.

It is an arithmetic number, because the mean of its divisors is an integer number (69854967).

Almost surely, 2^545230013 is an apocalyptic number.

It is an amenable number.

545230013 is a deficient number, since it is larger than the sum of its proper divisors (13609723).

545230013 is a wasteful number, since it uses less digits than its factorization.

545230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7455.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 545230013 is about 23350.1608773901. The cubic root of 545230013 is about 816.9458132411.

Adding to 545230013 its reverse (310032545), we get a palindrome (855262558).

The spelling of 545230013 in words is "five hundred forty-five million, two hundred thirty thousand, thirteen".