5285285517397 has 2 divisors, whose sum is σ = 5285285517398. Its totient is φ = 5285285517396.

The previous prime is 5285285517361. The next prime is 5285285517451. The reversal of 5285285517397 is 7937155825825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3780850802481 + 1504434714916 = 1944441^2 + 1226554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5285285517397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5285285517097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2642642758698 + 2642642758699.

It is an arithmetic number, because the mean of its divisors is an integer number (2642642758699).

Almost surely, 2^{5285285517397} is an apocalyptic number.

It is an amenable number.

5285285517397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5285285517397 is an equidigital number, since it uses as much as digits as its factorization.

5285285517397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680000, while the sum is 67.

The spelling of 5285285517397 in words is "five trillion, two hundred eighty-five billion, two hundred eighty-five million, five hundred seventeen thousand, three hundred ninety-seven".