504243601 has 2 divisors, whose sum is σ = 504243602. Its totient is φ = 504243600.

The previous prime is 504243587. The next prime is 504243653. The reversal of 504243601 is 106342405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261662976 + 242580625 = 16176^2 + 15575^2 .

It is a cyclic number.

It is not a de Polignac number, because 504243601 - 2¹⁷ = 504112529 is a prime.

It is not a weakly prime, because it can be changed into another prime (504243661) 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, 252121800 + 252121801.

It is an arithmetic number, because the mean of its divisors is an integer number (252121801).

Almost surely, 2^504243601 is an apocalyptic number.

It is an amenable number.

504243601 is a deficient number, since it is larger than the sum of its proper divisors (1).

504243601 is an equidigital number, since it uses as much as digits as its factorization.

504243601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 504243601 is about 22455.3690907097. The cubic root of 504243601 is about 795.9396355199.

The spelling of 504243601 in words is "five hundred four million, two hundred forty-three thousand, six hundred one".