504532513 has 2 divisors, whose sum is σ = 504532514. Its totient is φ = 504532512.

The previous prime is 504532447. The next prime is 504532537. The reversal of 504532513 is 315235405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485453089 + 19079424 = 22033^2 + 4368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504532513 is a prime.

It is not a weakly prime, because it can be changed into another prime (504532573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252266256 + 252266257.

It is an arithmetic number, because the mean of its divisors is an integer number (252266257).

Almost surely, 2^504532513 is an apocalyptic number.

It is an amenable number.

504532513 is a deficient number, since it is larger than the sum of its proper divisors (1).

504532513 is an equidigital number, since it uses as much as digits as its factorization.

504532513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 504532513 is about 22461.8011966984. The cubic root of 504532513 is about 796.0916206627.

Adding to 504532513 its reverse (315235405), we get a palindrome (819767918).

The spelling of 504532513 in words is "five hundred four million, five hundred thirty-two thousand, five hundred thirteen".