528807317 has 2 divisors, whose sum is σ = 528807318. Its totient is φ = 528807316.

The previous prime is 528807289. The next prime is 528807319. The reversal of 528807317 is 713708825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505080676 + 23726641 = 22474^2 + 4871^2 .

It is a cyclic number.

It is not a de Polignac number, because 528807317 - 2²⁶ = 461698453 is a prime.

Together with 528807319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528807319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264403658 + 264403659.

It is an arithmetic number, because the mean of its divisors is an integer number (264403659).

Almost surely, 2^528807317 is an apocalyptic number.

It is an amenable number.

528807317 is a deficient number, since it is larger than the sum of its proper divisors (1).

528807317 is an equidigital number, since it uses as much as digits as its factorization.

528807317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 528807317 is about 22995.8108576323. The cubic root of 528807317 is about 808.6597339668.

The spelling of 528807317 in words is "five hundred twenty-eight million, eight hundred seven thousand, three hundred seventeen".