513116497 has 2 divisors, whose sum is σ = 513116498. Its totient is φ = 513116496.

The previous prime is 513116473. The next prime is 513116551. The reversal of 513116497 is 794611315.

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., 350400961 + 162715536 = 18719^2 + 12756^2 .

It is a cyclic number.

It is not a de Polignac number, because 513116497 - 2⁷ = 513116369 is a prime.

It is not a weakly prime, because it can be changed into another prime (513116897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256558248 + 256558249.

It is an arithmetic number, because the mean of its divisors is an integer number (256558249).

Almost surely, 2^513116497 is an apocalyptic number.

It is an amenable number.

513116497 is a deficient number, since it is larger than the sum of its proper divisors (1).

513116497 is an equidigital number, since it uses as much as digits as its factorization.

513116497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 513116497 is about 22652.0748939253. The cubic root of 513116497 is about 800.5810866748.

The spelling of 513116497 in words is "five hundred thirteen million, one hundred sixteen thousand, four hundred ninety-seven".