5137665497 has 2 divisors, whose sum is σ = 5137665498. Its totient is φ = 5137665496.

The previous prime is 5137665479. The next prime is 5137665521. The reversal of 5137665497 is 7945667315.

Together with previous prime (5137665479) 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., 4381910416 + 755755081 = 66196^2 + 27491^2 .

It is a cyclic number.

It is not a de Polignac number, because 5137665497 - 2²⁴ = 5120888281 is a prime.

It is not a weakly prime, because it can be changed into another prime (5137665097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2568832748 + 2568832749.

It is an arithmetic number, because the mean of its divisors is an integer number (2568832749).

Almost surely, 2^5137665497 is an apocalyptic number.

It is an amenable number.

5137665497 is a deficient number, since it is larger than the sum of its proper divisors (1).

5137665497 is an equidigital number, since it uses as much as digits as its factorization.

5137665497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 53.

The square root of 5137665497 is about 71677.5103990087. The cubic root of 5137665497 is about 1725.5277245006.

The spelling of 5137665497 in words is "five billion, one hundred thirty-seven million, six hundred sixty-five thousand, four hundred ninety-seven".