505544341 has 2 divisors, whose sum is σ = 505544342. Its totient is φ = 505544340.

The previous prime is 505544329. The next prime is 505544363. The reversal of 505544341 is 143445505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379431441 + 126112900 = 19479^2 + 11230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505544341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505544321) 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 as a sum of consecutive naturals, namely, 252772170 + 252772171.

It is an arithmetic number, because the mean of its divisors is an integer number (252772171).

Almost surely, 2^505544341 is an apocalyptic number.

It is an amenable number.

505544341 is a deficient number, since it is larger than the sum of its proper divisors (1).

505544341 is an equidigital number, since it uses as much as digits as its factorization.

505544341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 505544341 is about 22484.3132205545. The cubic root of 505544341 is about 796.6234462605.

Adding to 505544341 its reverse (143445505), we get a palindrome (648989846).

The spelling of 505544341 in words is "five hundred five million, five hundred forty-four thousand, three hundred forty-one".