528085287 has 12 divisors (see below), whose sum is σ = 764191480. Its totient is φ = 351409968.

The previous prime is 528085247. The next prime is 528085301. The reversal of 528085287 is 782580825.

It is not a de Polignac number, because 528085287 - 2¹⁵ = 528052519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528085237) 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 in 11 ways as a sum of consecutive naturals, for example, 48712 + ... + 58557.

Almost surely, 2^528085287 is an apocalyptic number.

528085287 is a deficient number, since it is larger than the sum of its proper divisors (236106193).

528085287 is a wasteful number, since it uses less digits than its factorization.

528085287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107822 (or 107819 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 528085287 is about 22980.1063313467. The cubic root of 528085287 is about 808.2915201196.

The spelling of 528085287 in words is "five hundred twenty-eight million, eighty-five thousand, two hundred eighty-seven".