36243181 has 8 divisors (see below), whose sum is σ = 39614624. Its totient is φ = 32955120.

The previous prime is 36243173. The next prime is 36243187. The reversal of 36243181 is 18134263.

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 36243181 - 2³ = 36243173 is a prime.

It is a super-2 number, since 2×36243181² = 2627136337997522, 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 (36243187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19935 + ... + 21676.

It is an arithmetic number, because the mean of its divisors is an integer number (4951828).

Almost surely, 2^36243181 is an apocalyptic number.

It is an amenable number.

36243181 is a deficient number, since it is larger than the sum of its proper divisors (3371443).

36243181 is a wasteful number, since it uses less digits than its factorization.

36243181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41691.

The product of its digits is 3456, while the sum is 28.

The square root of 36243181 is about 6020.2309756354. The cubic root of 36243181 is about 330.9345440616.

The spelling of 36243181 in words is "thirty-six million, two hundred forty-three thousand, one hundred eighty-one".