520433563 has 16 divisors (see below), whose sum is σ = 594228096. Its totient is φ = 451537920.

The previous prime is 520433561. The next prime is 520433567. The reversal of 520433563 is 365334025.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 520433563 - 2¹ = 520433561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520433561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271095 + ... + 273007.

It is an arithmetic number, because the mean of its divisors is an integer number (37139256).

Almost surely, 2^520433563 is an apocalyptic number.

520433563 is a deficient number, since it is larger than the sum of its proper divisors (73794533).

520433563 is a wasteful number, since it uses less digits than its factorization.

520433563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 520433563 is about 22813.0130188890. The cubic root of 520433563 is about 804.3685816738.

Adding to 520433563 its reverse (365334025), we get a palindrome (885767588).

The spelling of 520433563 in words is "five hundred twenty million, four hundred thirty-three thousand, five hundred sixty-three".