36281 has 8 divisors (see below), whose sum is σ = 42624. Its totient is φ = 30240.

The previous prime is 36277. The next prime is 36293. The reversal of 36281 is 18263.

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

It is not a de Polignac number, because 36281 - 2² = 36277 is a prime.

It is a super-2 number, since 2×36281² = 2632621922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36281.

It is not an unprimeable number, because it can be changed into a prime (36241) 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, 461 + ... + 533.

It is an arithmetic number, because the mean of its divisors is an integer number (5328).

2³⁶²⁸¹ is an apocalyptic number.

It is an amenable number.

36281 is a deficient number, since it is larger than the sum of its proper divisors (6343).

36281 is an equidigital number, since it uses as much as digits as its factorization.

36281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151.

The product of its digits is 288, while the sum is 20.

The square root of 36281 is about 190.4757202375. The cubic root of 36281 is about 33.1049611802.

The spelling of 36281 in words is "thirty-six thousand, two hundred eighty-one".