505201304563 has 2 divisors, whose sum is σ = 505201304564. Its totient is φ = 505201304562.

The previous prime is 505201304561. The next prime is 505201304627. The reversal of 505201304563 is 365403102505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505201304563 - 2¹ = 505201304561 is a prime.

Together with 505201304561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (505201304561) 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, 252600652281 + 252600652282.

It is an arithmetic number, because the mean of its divisors is an integer number (252600652282).

Almost surely, 2^505201304563 is an apocalyptic number.

505201304563 is a deficient number, since it is larger than the sum of its proper divisors (1).

505201304563 is an equidigital number, since it uses as much as digits as its factorization.

505201304563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 505201304563 in words is "five hundred five billion, two hundred one million, three hundred four thousand, five hundred sixty-three".