36317321 has 4 divisors (see below), whose sum is σ = 38453652. Its totient is φ = 34180992.

The previous prime is 36317317. The next prime is 36317329. The reversal of 36317321 is 12371363.

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 14592400 + 21724921 = 3820^2 + 4661^2 .

It is a cyclic number.

It is not a de Polignac number, because 36317321 - 2² = 36317317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36317329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068140 + ... + 1068173.

It is an arithmetic number, because the mean of its divisors is an integer number (9613413).

Almost surely, 2^36317321 is an apocalyptic number.

It is an amenable number.

36317321 is a deficient number, since it is larger than the sum of its proper divisors (2136331).

36317321 is a wasteful number, since it uses less digits than its factorization.

36317321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136330.

The product of its digits is 2268, while the sum is 26.

The square root of 36317321 is about 6026.3854008850. The cubic root of 36317321 is about 331.1600464896.

Adding to 36317321 its reverse (12371363), we get a palindrome (48688684).

The spelling of 36317321 in words is "thirty-six million, three hundred seventeen thousand, three hundred twenty-one".