520432063103 has 4 divisors (see below), whose sum is σ = 520482802680. Its totient is φ = 520381323528.

The previous prime is 520432063057. The next prime is 520432063157. The reversal of 520432063103 is 301360234025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520432063103 - 2¹⁰ = 520432062079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520432063303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25354400 + ... + 25374917.

It is an arithmetic number, because the mean of its divisors is an integer number (130120700670).

Almost surely, 2^520432063103 is an apocalyptic number.

520432063103 is a deficient number, since it is larger than the sum of its proper divisors (50739577).

520432063103 is a wasteful number, since it uses less digits than its factorization.

520432063103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50739576.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 520432063103 its reverse (301360234025), we get a palindrome (821792297128).

The spelling of 520432063103 in words is "five hundred twenty billion, four hundred thirty-two million, sixty-three thousand, one hundred three".