36581089 has 8 divisors (see below), whose sum is σ = 37806912. Its totient is φ = 35372400.

The previous prime is 36581071. The next prime is 36581113. The reversal of 36581089 is 98018563.

It is a happy number.

36581089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36581089 - 2¹¹ = 36579041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36581009) 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 7 ways as a sum of consecutive naturals, for example, 132 + ... + 8554.

It is an arithmetic number, because the mean of its divisors is an integer number (4725864).

Almost surely, 2^36581089 is an apocalyptic number.

It is an amenable number.

36581089 is a deficient number, since it is larger than the sum of its proper divisors (1225823).

36581089 is a wasteful number, since it uses less digits than its factorization.

36581089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8567.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 36581089 is about 6048.2302370198. The cubic root of 36581089 is about 331.9598375233.

The spelling of 36581089 in words is "thirty-six million, five hundred eighty-one thousand, eighty-nine".