505050563 has 2 divisors, whose sum is σ = 505050564. Its totient is φ = 505050562.

The previous prime is 505050529. The next prime is 505050607. The reversal of 505050563 is 365050505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505050563 - 2¹⁰ = 505049539 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (505050463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252525281 + 252525282.

It is an arithmetic number, because the mean of its divisors is an integer number (252525282).

Almost surely, 2^505050563 is an apocalyptic number.

505050563 is a deficient number, since it is larger than the sum of its proper divisors (1).

505050563 is an equidigital number, since it uses as much as digits as its factorization.

505050563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 505050563 is about 22473.3300380696. The cubic root of 505050563 is about 796.3640009878.

The spelling of 505050563 in words is "five hundred five million, fifty thousand, five hundred sixty-three".