36531133 has 4 divisors (see below), whose sum is σ = 37045728. Its totient is φ = 36016540.

The previous prime is 36531127. The next prime is 36531149. The reversal of 36531133 is 33113563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36531133 - 2¹⁷ = 36400061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36531098 and 36531107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36531193) 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, 257191 + ... + 257332.

It is an arithmetic number, because the mean of its divisors is an integer number (9261432).

Almost surely, 2^36531133 is an apocalyptic number.

It is an amenable number.

36531133 is a deficient number, since it is larger than the sum of its proper divisors (514595).

36531133 is an equidigital number, since it uses as much as digits as its factorization.

36531133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514594.

The product of its digits is 2430, while the sum is 25.

The square root of 36531133 is about 6044.0990230141. The cubic root of 36531133 is about 331.8086579501.

Adding to 36531133 its product of digits (2430), we get a palindrome (36533563).

Adding to 36531133 its reverse (33113563), we get a palindrome (69644696).

The spelling of 36531133 in words is "thirty-six million, five hundred thirty-one thousand, one hundred thirty-three".