36511 has 4 divisors (see below), whose sum is σ = 37800. Its totient is φ = 35224.

The previous prime is 36497. The next prime is 36523. The reversal of 36511 is 11563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11563 = 31 ⋅373.

It is a cyclic number.

It is not a de Polignac number, because 36511 - 2⁵ = 36479 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36511.

It is not an unprimeable number, because it can be changed into a prime (36541) 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, 601 + ... + 658.

It is an arithmetic number, because the mean of its divisors is an integer number (9450).

2³⁶⁵¹¹ is an apocalyptic number.

36511 is a deficient number, since it is larger than the sum of its proper divisors (1289).

36511 is a wasteful number, since it uses less digits than its factorization.

36511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its digits is 90, while the sum is 16.

The square root of 36511 is about 191.0785178925. The cubic root of 36511 is about 33.1747691401.

The spelling of 36511 in words is "thirty-six thousand, five hundred eleven".