36315521 has 8 divisors (see below), whose sum is σ = 40538784. Its totient is φ = 32245920.

The previous prime is 36315497. The next prime is 36315527. The reversal of 36315521 is 12551363.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36315521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36315527) 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, 37916 + ... + 38861.

It is an arithmetic number, because the mean of its divisors is an integer number (5067348).

Almost surely, 2^36315521 is an apocalyptic number.

It is an amenable number.

36315521 is a deficient number, since it is larger than the sum of its proper divisors (4223263).

36315521 is a wasteful number, since it uses less digits than its factorization.

36315521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76831.

The product of its digits is 2700, while the sum is 26.

The square root of 36315521 is about 6026.2360557814. The cubic root of 36315521 is about 331.1545752900.

Adding to 36315521 its reverse (12551363), we get a palindrome (48866884).

The spelling of 36315521 in words is "thirty-six million, three hundred fifteen thousand, five hundred twenty-one".