36543531 has 16 divisors (see below), whose sum is σ = 50227488. Its totient is φ = 23616000.

The previous prime is 36543497. The next prime is 36543539. The reversal of 36543531 is 13534563.

It is a happy number.

36543531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36543531 - 2¹⁴ = 36527147 is a prime.

It is a super-2 number, since 2×36543531² = 2670859315895922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36543539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44101 + ... + 44921.

It is an arithmetic number, because the mean of its divisors is an integer number (3139218).

Almost surely, 2^36543531 is an apocalyptic number.

36543531 is a deficient number, since it is larger than the sum of its proper divisors (13683957).

36543531 is a wasteful number, since it uses less digits than its factorization.

36543531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262.

The product of its digits is 16200, while the sum is 30.

The square root of 36543531 is about 6045.1245644734. The cubic root of 36543531 is about 331.8461903059.

The spelling of 36543531 in words is "thirty-six million, five hundred forty-three thousand, five hundred thirty-one".