505000530403 has 2 divisors, whose sum is σ = 505000530404. Its totient is φ = 505000530402.

The previous prime is 505000530379. The next prime is 505000530431. The reversal of 505000530403 is 304035000505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505000530403 - 2¹³ = 505000522211 is a prime.

It is a super-2 number, since 2×505000530403² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (505000530443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252500265201 + 252500265202.

It is an arithmetic number, because the mean of its divisors is an integer number (252500265202).

Almost surely, 2^505000530403 is an apocalyptic number.

505000530403 is a deficient number, since it is larger than the sum of its proper divisors (1).

505000530403 is an equidigital number, since it uses as much as digits as its factorization.

505000530403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 25.

Adding to 505000530403 its reverse (304035000505), we get a palindrome (809035530908).

The spelling of 505000530403 in words is "five hundred five billion, five hundred thirty thousand, four hundred three".