36183281 has 4 divisors (see below), whose sum is σ = 36199332. Its totient is φ = 36167232.

The previous prime is 36183241. The next prime is 36183317. The reversal of 36183281 is 18238163.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25847056 + 10336225 = 5084^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 36183281 - 2¹⁰ = 36182257 is a prime.

It is a super-2 number, since 2×36183281² = 2618459647849922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36183211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3956 + ... + 9381.

It is an arithmetic number, because the mean of its divisors is an integer number (9049833).

Almost surely, 2^36183281 is an apocalyptic number.

It is an amenable number.

36183281 is a deficient number, since it is larger than the sum of its proper divisors (16051).

36183281 is a wasteful number, since it uses less digits than its factorization.

36183281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16050.

The product of its digits is 6912, while the sum is 32.

The square root of 36183281 is about 6015.2540262237. The cubic root of 36183281 is about 330.7521289670.

The spelling of 36183281 in words is "thirty-six million, one hundred eighty-three thousand, two hundred eighty-one".