503340520 has 16 divisors (see below), whose sum is σ = 1132516260. Its totient is φ = 201336192.

The previous prime is 503340511. The next prime is 503340529. The reversal of 503340520 is 25043305.

It is an interprime number because it is at equal distance from previous prime (503340511) and next prime (503340529).

It can be written as a sum of positive squares in 2 ways, for example, as 457018884 + 46321636 = 21378^2 + 6806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 503340491 and 503340500.

It is not an unprimeable number, because it can be changed into a prime (503340529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6291717 + ... + 6291796.

Almost surely, 2^503340520 is an apocalyptic number.

It is an amenable number.

503340520 is an abundant number, since it is smaller than the sum of its proper divisors (629175740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503340520 is a wasteful number, since it uses less digits than its factorization.

503340520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12583524 (or 12583520 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 503340520 is about 22435.2517257997. The cubic root of 503340520 is about 795.4641857563.

Adding to 503340520 its reverse (25043305), we get a palindrome (528383825).

The spelling of 503340520 in words is "five hundred three million, three hundred forty thousand, five hundred twenty".