10528589 has 4 divisors (see below), whose sum is σ = 10586940. Its totient is φ = 10470240.

The previous prime is 10528541. The next prime is 10528591. The reversal of 10528589 is 98582501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1177225 + 9351364 = 1085^2 + 3058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10528589 is a prime.

It is a super-2 number, since 2×10528589² = 221702372661842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10528289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28904 + ... + 29265.

It is an arithmetic number, because the mean of its divisors is an integer number (2646735).

Almost surely, 2^10528589 is an apocalyptic number.

It is an amenable number.

10528589 is a deficient number, since it is larger than the sum of its proper divisors (58351).

10528589 is an equidigital number, since it uses as much as digits as its factorization.

10528589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58350.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 10528589 is about 3244.7787289737. The cubic root of 10528589 is about 219.1745166909.

The spelling of 10528589 in words is "ten million, five hundred twenty-eight thousand, five hundred eighty-nine".