5242720400017 has 2 divisors, whose sum is σ = 5242720400018. Its totient is φ = 5242720400016.

The previous prime is 5242720399981. The next prime is 5242720400053. The reversal of 5242720400017 is 7100040272425.

It is a balanced prime because it is at equal distance from previous prime (5242720399981) and next prime (5242720400053).

It can be written as a sum of positive squares in only one way, i.e., 4452939819601 + 789780580416 = 2110199^2 + 888696^2 .

It is a cyclic number.

It is not a de Polignac number, because 5242720400017 - 2¹¹ = 5242720397969 is a prime.

It is a super-2 number, since 2×5242720400017² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5242720400317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621360200008 + 2621360200009.

It is an arithmetic number, because the mean of its divisors is an integer number (2621360200009).

Almost surely, 2^{5242720400017} is an apocalyptic number.

It is an amenable number.

5242720400017 is a deficient number, since it is larger than the sum of its proper divisors (1).

5242720400017 is an equidigital number, since it uses as much as digits as its factorization.

5242720400017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 34.

The spelling of 5242720400017 in words is "five trillion, two hundred forty-two billion, seven hundred twenty million, four hundred thousand, seventeen".