528512087 has 8 divisors (see below), whose sum is σ = 545825280. Its totient is φ = 511215480.

The previous prime is 528512057. The next prime is 528512111. The reversal of 528512087 is 780215825.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 528512087 - 2⁸ = 528511831 is a prime.

It is a super-2 number, since 2×528512087² = 558650052210191138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 528512087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528512027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121964 + ... + 126222.

It is an arithmetic number, because the mean of its divisors is an integer number (68228160).

Almost surely, 2^528512087 is an apocalyptic number.

528512087 is a deficient number, since it is larger than the sum of its proper divisors (17313193).

528512087 is a wasteful number, since it uses less digits than its factorization.

528512087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 528512087 is about 22989.3907487780. The cubic root of 528512087 is about 808.5092159687.

The spelling of 528512087 in words is "five hundred twenty-eight million, five hundred twelve thousand, eighty-seven".