504316493 has 2 divisors, whose sum is σ = 504316494. Its totient is φ = 504316492.

The previous prime is 504316459. The next prime is 504316511. The reversal of 504316493 is 394613405.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483868009 + 20448484 = 21997^2 + 4522^2 .

It is a cyclic number.

It is not a de Polignac number, because 504316493 - 2⁶ = 504316429 is a prime.

It is a super-2 number, since 2×504316493² = 508670250223638098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504316433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252158246 + 252158247.

It is an arithmetic number, because the mean of its divisors is an integer number (252158247).

Almost surely, 2^504316493 is an apocalyptic number.

It is an amenable number.

504316493 is a deficient number, since it is larger than the sum of its proper divisors (1).

504316493 is an equidigital number, since it uses as much as digits as its factorization.

504316493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 504316493 is about 22456.9920737395. The cubic root of 504316493 is about 795.9779865843.

Adding to 504316493 its reverse (394613405), we get a palindrome (898929898).

The spelling of 504316493 in words is "five hundred four million, three hundred sixteen thousand, four hundred ninety-three".