505066563 has 16 divisors (see below), whose sum is σ = 752388000. Its totient is φ = 334847520.

The previous prime is 505066561. The next prime is 505066589. The reversal of 505066563 is 365660505.

It is a happy number.

It is not a de Polignac number, because 505066563 - 2¹ = 505066561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505066561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46788 + ... + 56561.

It is an arithmetic number, because the mean of its divisors is an integer number (47024250).

Almost surely, 2^505066563 is an apocalyptic number.

505066563 is a deficient number, since it is larger than the sum of its proper divisors (247321437).

505066563 is a wasteful number, since it uses less digits than its factorization.

505066563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103539 (or 103533 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 505066563 is about 22473.6860127572. The cubic root of 505066563 is about 796.3724105019.

The spelling of 505066563 in words is "five hundred five million, sixty-six thousand, five hundred sixty-three".