506316449 has 2 divisors, whose sum is σ = 506316450. Its totient is φ = 506316448.

The previous prime is 506316413. The next prime is 506316469. The reversal of 506316449 is 944613605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447026449 + 59290000 = 21143^2 + 7700^2 .

It is a cyclic number.

It is not a de Polignac number, because 506316449 - 2⁸ = 506316193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (506316469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253158224 + 253158225.

It is an arithmetic number, because the mean of its divisors is an integer number (253158225).

Almost surely, 2^506316449 is an apocalyptic number.

It is an amenable number.

506316449 is a deficient number, since it is larger than the sum of its proper divisors (1).

506316449 is an equidigital number, since it uses as much as digits as its factorization.

506316449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 506316449 is about 22501.4765959925. The cubic root of 506316449 is about 797.0287957808.

It can be divided in two parts, 5063 and 16449, that added together give a palindrome (21512).

The spelling of 506316449 in words is "five hundred six million, three hundred sixteen thousand, four hundred forty-nine".