1009522538 has 16 divisors (see below), whose sum is σ = 1569161160. Its totient is φ = 486528000.

The previous prime is 1009522523. The next prime is 1009522583. The reversal of 1009522538 is 8352259001.

1009522538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1002798889 + 6723649 = 31667^2 + 2593^2 .

It is a super-2 number, since 2×1009522538² = 2038271509459922888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1009522498 and 1009522507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20378 + ... + 49338.

Almost surely, 2^1009522538 is an apocalyptic number.

1009522538 is a deficient number, since it is larger than the sum of its proper divisors (559638622).

1009522538 is a wasteful number, since it uses less digits than its factorization.

1009522538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29593.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1009522538 is about 31772.9844049941. The cubic root of 1009522538 is about 1003.1641568848.

The spelling of 1009522538 in words is "one billion, nine million, five hundred twenty-two thousand, five hundred thirty-eight".