5317265543621 has 2 divisors, whose sum is σ = 5317265543622. Its totient is φ = 5317265543620.

The previous prime is 5317265543599. The next prime is 5317265543701. The reversal of 5317265543621 is 1263455627135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5311116631396 + 6148912225 = 2304586^2 + 78415^2 .

It is a cyclic number.

It is not a de Polignac number, because 5317265543621 - 2¹⁰ = 5317265542597 is a prime.

It is a super-2 number, since 2×5317265543621² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5317265543621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5317265533621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2658632771810 + 2658632771811.

It is an arithmetic number, because the mean of its divisors is an integer number (2658632771811).

Almost surely, 2^{5317265543621} is an apocalyptic number.

It is an amenable number.

5317265543621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5317265543621 is an equidigital number, since it uses as much as digits as its factorization.

5317265543621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 50.

The spelling of 5317265543621 in words is "five trillion, three hundred seventeen billion, two hundred sixty-five million, five hundred forty-three thousand, six hundred twenty-one".