528742717 has 2 divisors, whose sum is σ = 528742718. Its totient is φ = 528742716.

The previous prime is 528742667. The next prime is 528742733. The reversal of 528742717 is 717247825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428862681 + 99880036 = 20709^2 + 9994^2 .

It is a cyclic number.

It is not a de Polignac number, because 528742717 - 2¹⁹ = 528218429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528742217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264371358 + 264371359.

It is an arithmetic number, because the mean of its divisors is an integer number (264371359).

Almost surely, 2^528742717 is an apocalyptic number.

It is an amenable number.

528742717 is a deficient number, since it is larger than the sum of its proper divisors (1).

528742717 is an equidigital number, since it uses as much as digits as its factorization.

528742717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219520, while the sum is 43.

The square root of 528742717 is about 22994.4062110766. The cubic root of 528742717 is about 808.6268035436.

The spelling of 528742717 in words is "five hundred twenty-eight million, seven hundred forty-two thousand, seven hundred seventeen".