36091 has 8 divisors (see below), whose sum is σ = 41904. Its totient is φ = 30720.

The previous prime is 36083. The next prime is 36097. The reversal of 36091 is 19063.

36091 = 3³ + 4³ + ... + 19³.

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

It is a 11-Lehmer number, since φ(36091) divides (36091-1)¹¹.

It is a cyclic number.

It is not a de Polignac number, because 36091 - 2³ = 36083 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (36097) 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, 91 + ... + 283.

It is an arithmetic number, because the mean of its divisors is an integer number (5238).

2³⁶⁰⁹¹ is an apocalyptic number.

36091 is a deficient number, since it is larger than the sum of its proper divisors (5813).

36091 is a wasteful number, since it uses less digits than its factorization.

36091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 36091 is about 189.9763143131. The cubic root of 36091 is about 33.0470708738.

The spelling of 36091 in words is "thirty-six thousand, ninety-one".