508497313 has 2 divisors, whose sum is σ = 508497314. Its totient is φ = 508497312.

The previous prime is 508497289. The next prime is 508497331. The reversal of 508497313 is 313794805.

Together with next prime (508497331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393943104 + 114554209 = 19848^2 + 10703^2 .

It is a cyclic number.

It is not a de Polignac number, because 508497313 - 2²¹ = 506400161 is a prime.

It is not a weakly prime, because it can be changed into another prime (508497413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254248656 + 254248657.

It is an arithmetic number, because the mean of its divisors is an integer number (254248657).

Almost surely, 2^508497313 is an apocalyptic number.

It is an amenable number.

508497313 is a deficient number, since it is larger than the sum of its proper divisors (1).

508497313 is an equidigital number, since it uses as much as digits as its factorization.

508497313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 508497313 is about 22549.8849886202. The cubic root of 508497313 is about 798.1715078086.

It can be divided in two parts, 508497 and 313, that multiplied together give a triangular number (159159561 = T₁₇₈₄₁).

The spelling of 508497313 in words is "five hundred eight million, four hundred ninety-seven thousand, three hundred thirteen".