1028525872 has 20 divisors (see below), whose sum is σ = 2173930056. Its totient is φ = 467511680.

The previous prime is 1028525867. The next prime is 1028525881. The reversal of 1028525872 is 2785258201.

1028525872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921773 + ... + 2922124.

Almost surely, 2^1028525872 is an apocalyptic number.

It is an amenable number.

1028525872 is an abundant number, since it is smaller than the sum of its proper divisors (1145404184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028525872 is a wasteful number, since it uses less digits than its factorization.

1028525872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5843916 (or 5843910 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 1028525872 is about 32070.6387837848. The cubic root of 1028525872 is about 1009.4196162318.

The spelling of 1028525872 in words is "one billion, twenty-eight million, five hundred twenty-five thousand, eight hundred seventy-two".