544541243 has 2 divisors, whose sum is σ = 544541244. Its totient is φ = 544541242.

The previous prime is 544541141. The next prime is 544541251. The reversal of 544541243 is 342145445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 544541243 - 2⁸ = 544540987 is a prime.

It is not a weakly prime, because it can be changed into another prime (544546243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272270621 + 272270622.

It is an arithmetic number, because the mean of its divisors is an integer number (272270622).

Almost surely, 2^544541243 is an apocalyptic number.

544541243 is a deficient number, since it is larger than the sum of its proper divisors (1).

544541243 is an equidigital number, since it uses as much as digits as its factorization.

544541243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 32.

The square root of 544541243 is about 23335.4074959063. The cubic root of 544541243 is about 816.6016619276.

Adding to 544541243 its reverse (342145445), we get a palindrome (886686688).

The spelling of 544541243 in words is "five hundred forty-four million, five hundred forty-one thousand, two hundred forty-three".