36506 has 4 divisors (see below), whose sum is σ = 54762. Its totient is φ = 18252.

The previous prime is 36497. The next prime is 36523. The reversal of 36506 is 60563.

36506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60563 = 71 ⋅853.

It can be written as a sum of positive squares in only one way, i.e., 36481 + 25 = 191^2 + 5^2 .

It is an Ulam number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9125 + ... + 9128.

2³⁶⁵⁰⁶ is an apocalyptic number.

36506 is a deficient number, since it is larger than the sum of its proper divisors (18256).

36506 is a wasteful number, since it uses less digits than its factorization.

36506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18255.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 36506 is about 191.0654338178. The cubic root of 36506 is about 33.1732546977.

The spelling of 36506 in words is "thirty-six thousand, five hundred six".