36036531 has 12 divisors (see below), whose sum is σ = 53848080. Its totient is φ = 23195760.

The previous prime is 36036527. The next prime is 36036569. The reversal of 36036531 is 13563063.

36036531 is a `hidden beast` number, since 3 + 6 + 0 + 3 + 653 + 1 = 666.

It is not a de Polignac number, because 36036531 - 2² = 36036527 is a prime.

It is a super-2 number, since 2×36036531² = 2597263133027922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36036495 and 36036504.

It is not an unprimeable number, because it can be changed into a prime (36036731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68775 + ... + 69296.

It is an arithmetic number, because the mean of its divisors is an integer number (4487340).

Almost surely, 2^36036531 is an apocalyptic number.

36036531 is a deficient number, since it is larger than the sum of its proper divisors (17811549).

36036531 is a wasteful number, since it uses less digits than its factorization.

36036531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138106 (or 138103 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 36036531 is about 6003.0434781034. The cubic root of 36036531 is about 330.3043748216.

Adding to 36036531 its reverse (13563063), we get a palindrome (49599594).

The spelling of 36036531 in words is "thirty-six million, thirty-six thousand, five hundred thirty-one".