528581487 has 8 divisors (see below), whose sum is σ = 805457536. Its totient is φ = 302046552.

The previous prime is 528581461. The next prime is 528581507. The reversal of 528581487 is 784185825.

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

It is not a de Polignac number, because 528581487 - 2¹⁰ = 528580463 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 (528581407) 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, 12585253 + ... + 12585294.

It is an arithmetic number, because the mean of its divisors is an integer number (100682192).

Almost surely, 2^528581487 is an apocalyptic number.

528581487 is a deficient number, since it is larger than the sum of its proper divisors (276876049).

528581487 is a wasteful number, since it uses less digits than its factorization.

528581487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25170557.

The product of its digits is 716800, while the sum is 48.

The square root of 528581487 is about 22990.9000911230. The cubic root of 528581487 is about 808.5446034178.

It can be divided in two parts, 52858 and 1487, that added together give a palindrome (54345).

The spelling of 528581487 in words is "five hundred twenty-eight million, five hundred eighty-one thousand, four hundred eighty-seven".