506479313 has 2 divisors, whose sum is σ = 506479314. Its totient is φ = 506479312.

The previous prime is 506479307. The next prime is 506479321. The reversal of 506479313 is 313974605.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274465489 + 232013824 = 16567^2 + 15232^2 .

It is a cyclic number.

It is not a de Polignac number, because 506479313 - 2¹² = 506475217 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (506479013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253239656 + 253239657.

It is an arithmetic number, because the mean of its divisors is an integer number (253239657).

Almost surely, 2^506479313 is an apocalyptic number.

It is an amenable number.

506479313 is a deficient number, since it is larger than the sum of its proper divisors (1).

506479313 is an equidigital number, since it uses as much as digits as its factorization.

506479313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 506479313 is about 22505.0952675166. The cubic root of 506479313 is about 797.1142452281.

The spelling of 506479313 in words is "five hundred six million, four hundred seventy-nine thousand, three hundred thirteen".