36009081 has 6 divisors (see below), whose sum is σ = 52013130. Its totient is φ = 24006048.

The previous prime is 36009079. The next prime is 36009107. The reversal of 36009081 is 18090063.

36009081 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 only one way, i.e., 34999056 + 1010025 = 5916^2 + 1005^2 .

It is not a de Polignac number, because 36009081 - 2¹ = 36009079 is a prime.

It is a super-2 number, since 2×36009081² = 2593307828929122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36009481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2000496 + ... + 2000513.

It is an arithmetic number, because the mean of its divisors is an integer number (8668855).

Almost surely, 2^36009081 is an apocalyptic number.

It is an amenable number.

36009081 is a deficient number, since it is larger than the sum of its proper divisors (16004049).

36009081 is a wasteful number, since it uses less digits than its factorization.

36009081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001015 (or 4001012 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 36009081 is about 6000.7567022835. The cubic root of 36009081 is about 330.2204862603.

The spelling of 36009081 in words is "thirty-six million, nine thousand, eighty-one".