5137297657 has 2 divisors, whose sum is σ = 5137297658. Its totient is φ = 5137297656.

The previous prime is 5137297621. The next prime is 5137297661. The reversal of 5137297657 is 7567927315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4935203001 + 202094656 = 70251^2 + 14216^2 .

It is a cyclic number.

It is not a de Polignac number, because 5137297657 - 2²⁷ = 5003079929 is a prime.

It is not a weakly prime, because it can be changed into another prime (5137097657) 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, 2568648828 + 2568648829.

It is an arithmetic number, because the mean of its divisors is an integer number (2568648829).

Almost surely, 2^5137297657 is an apocalyptic number.

It is an amenable number.

5137297657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5137297657 is an equidigital number, since it uses as much as digits as its factorization.

5137297657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2778300, while the sum is 52.

The square root of 5137297657 is about 71674.9444157441. The cubic root of 5137297657 is about 1725.4865428091.

The spelling of 5137297657 in words is "five billion, one hundred thirty-seven million, two hundred ninety-seven thousand, six hundred fifty-seven".