504347863 has 2 divisors, whose sum is σ = 504347864. Its totient is φ = 504347862.

The previous prime is 504347819. The next prime is 504347873. The reversal of 504347863 is 368743405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 504347863 - 2⁹ = 504347351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504347813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252173931 + 252173932.

It is an arithmetic number, because the mean of its divisors is an integer number (252173932).

Almost surely, 2^504347863 is an apocalyptic number.

504347863 is a deficient number, since it is larger than the sum of its proper divisors (1).

504347863 is an equidigital number, since it uses as much as digits as its factorization.

504347863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 504347863 is about 22457.6905090439. The cubic root of 504347863 is about 795.9944903156.

The spelling of 504347863 in words is "five hundred four million, three hundred forty-seven thousand, eight hundred sixty-three".