506040313 has 2 divisors, whose sum is σ = 506040314. Its totient is φ = 506040312.

The previous prime is 506040299. The next prime is 506040331. The reversal of 506040313 is 313040605.

Together with next prime (506040331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360886009 + 145154304 = 18997^2 + 12048^2 .

It is a cyclic number.

It is not a de Polignac number, because 506040313 - 2⁹ = 506039801 is a prime.

It is a super-2 number, since 2×506040313² = 512153596762275938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (506044313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253020156 + 253020157.

It is an arithmetic number, because the mean of its divisors is an integer number (253020157).

Almost surely, 2^506040313 is an apocalyptic number.

It is an amenable number.

506040313 is a deficient number, since it is larger than the sum of its proper divisors (1).

506040313 is an equidigital number, since it uses as much as digits as its factorization.

506040313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 506040313 is about 22495.3398062799. The cubic root of 506040313 is about 796.8838743146.

Adding to 506040313 its reverse (313040605), we get a palindrome (819080918).

The spelling of 506040313 in words is "five hundred six million, forty thousand, three hundred thirteen".