36084581 has 4 divisors (see below), whose sum is σ = 38860332. Its totient is φ = 33308832.

The previous prime is 36084571. The next prime is 36084647. The reversal of 36084581 is 18548063.

36084581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18548063 = 37 ⋅501299.

It can be written as a sum of positive squares in 2 ways, for example, as 10023556 + 26061025 = 3166^2 + 5105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36084581 is a prime.

It is a super-2 number, since 2×36084581² = 2604193971891122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36084571) 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 3 ways as a sum of consecutive naturals, for example, 1387856 + ... + 1387881.

It is an arithmetic number, because the mean of its divisors is an integer number (9715083).

Almost surely, 2^36084581 is an apocalyptic number.

It is an amenable number.

36084581 is a deficient number, since it is larger than the sum of its proper divisors (2775751).

36084581 is a wasteful number, since it uses less digits than its factorization.

36084581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775750.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 36084581 is about 6007.0442815082. The cubic root of 36084581 is about 330.4511155128.

The spelling of 36084581 in words is "thirty-six million, eighty-four thousand, five hundred eighty-one".