82528589 has 8 divisors (see below), whose sum is σ = 96956832. Its totient is φ = 69254640.

The previous prime is 82528583. The next prime is 82528601. The reversal of 82528589 is 98582528.

It is a happy number.

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

It is not a de Polignac number, because 82528589 - 2⁴ = 82528573 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 (82528583) 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, 288419 + ... + 288704.

It is an arithmetic number, because the mean of its divisors is an integer number (12119604).

Almost surely, 2^82528589 is an apocalyptic number.

It is an amenable number.

82528589 is a deficient number, since it is larger than the sum of its proper divisors (14428243).

82528589 is a wasteful number, since it uses less digits than its factorization.

82528589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577147.

The product of its digits is 460800, while the sum is 47.

The square root of 82528589 is about 9084.5246986290. The cubic root of 82528589 is about 435.3796641322.

The spelling of 82528589 in words is "eighty-two million, five hundred twenty-eight thousand, five hundred eighty-nine".