5240351522257 has 2 divisors, whose sum is σ = 5240351522258. Its totient is φ = 5240351522256.

The previous prime is 5240351522233. The next prime is 5240351522297. The reversal of 5240351522257 is 7522251530425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2960082399121 + 2280269123136 = 1720489^2 + 1510056^2 .

It is a cyclic number.

It is not a de Polignac number, because 5240351522257 - 2³⁹ = 4690595708369 is a prime.

It is a super-2 number, since 2×5240351522257² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5240351522227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2620175761128 + 2620175761129.

It is an arithmetic number, because the mean of its divisors is an integer number (2620175761129).

Almost surely, 2^{5240351522257} is an apocalyptic number.

It is an amenable number.

5240351522257 is a deficient number, since it is larger than the sum of its proper divisors (1).

5240351522257 is an equidigital number, since it uses as much as digits as its factorization.

5240351522257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840000, while the sum is 43.

The spelling of 5240351522257 in words is "five trillion, two hundred forty billion, three hundred fifty-one million, five hundred twenty-two thousand, two hundred fifty-seven".