36538 has 4 divisors (see below), whose sum is σ = 54810. Its totient is φ = 18268.

The previous prime is 36529. The next prime is 36541. The reversal of 36538 is 83563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27889 + 8649 = 167^2 + 93^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36538.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9133 + ... + 9136.

2³⁶⁵³⁸ is an apocalyptic number.

36538 is a deficient number, since it is larger than the sum of its proper divisors (18272).

36538 is a wasteful number, since it uses less digits than its factorization.

36538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18271.

The product of its digits is 2160, while the sum is 25.

The square root of 36538 is about 191.1491564198. The cubic root of 36538 is about 33.1829447407.

Adding to 36538 its sum of digits (25), we get a palindrome (36563).

The spelling of 36538 in words is "thirty-six thousand, five hundred thirty-eight".