538351717 has 2 divisors, whose sum is σ = 538351718. Its totient is φ = 538351716.

The previous prime is 538351711. The next prime is 538351747. The reversal of 538351717 is 717153835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 525968356 + 12383361 = 22934^2 + 3519^2 .

It is a cyclic number.

It is not a de Polignac number, because 538351717 - 2⁷ = 538351589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538351717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538351711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269175858 + 269175859.

It is an arithmetic number, because the mean of its divisors is an integer number (269175859).

Almost surely, 2^538351717 is an apocalyptic number.

It is an amenable number.

538351717 is a deficient number, since it is larger than the sum of its proper divisors (1).

538351717 is an equidigital number, since it uses as much as digits as its factorization.

538351717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 40.

The square root of 538351717 is about 23202.4075690433. The cubic root of 538351717 is about 813.4958982399.

The spelling of 538351717 in words is "five hundred thirty-eight million, three hundred fifty-one thousand, seven hundred seventeen".