528637089 has 16 divisors (see below), whose sum is σ = 709929792. Its totient is φ = 349892928.

The previous prime is 528637073. The next prime is 528637091. The reversal of 528637089 is 980736825.

It is not a de Polignac number, because 528637089 - 2⁴ = 528637073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (528637069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521347 + ... + 522359.

It is an arithmetic number, because the mean of its divisors is an integer number (44370612).

Almost surely, 2^528637089 is an apocalyptic number.

It is an amenable number.

528637089 is a deficient number, since it is larger than the sum of its proper divisors (181292703).

528637089 is a wasteful number, since it uses less digits than its factorization.

528637089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 528637089 is about 22992.1092768802. The cubic root of 528637089 is about 808.5729529545.

The spelling of 528637089 in words is "five hundred twenty-eight million, six hundred thirty-seven thousand, eighty-nine".