544630243 has 4 divisors (see below), whose sum is σ = 544764088. Its totient is φ = 544496400.

The previous prime is 544630199. The next prime is 544630283. The reversal of 544630243 is 342036445.

544630243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 544630243 - 2²¹ = 542533091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544630283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60621 + ... + 69022.

It is an arithmetic number, because the mean of its divisors is an integer number (136191022).

Almost surely, 2^544630243 is an apocalyptic number.

544630243 is a deficient number, since it is larger than the sum of its proper divisors (133845).

544630243 is a wasteful number, since it uses less digits than its factorization.

544630243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133844.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 544630243 is about 23337.3143913347. The cubic root of 544630243 is about 816.6461480522.

Adding to 544630243 its reverse (342036445), we get a palindrome (886666688).

The spelling of 544630243 in words is "five hundred forty-four million, six hundred thirty thousand, two hundred forty-three".