36131585 has 16 divisors (see below), whose sum is σ = 51151872. Its totient is φ = 23976000.

The previous prime is 36131539. The next prime is 36131587. The reversal of 36131585 is 58513163.

It is not a de Polignac number, because 36131585 - 2¹⁰ = 36130561 is a prime.

It is a super-2 number, since 2×36131585² = 2610982869224450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36131587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15566 + ... + 17735.

It is an arithmetic number, because the mean of its divisors is an integer number (3196992).

Almost surely, 2^36131585 is an apocalyptic number.

36131585 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36131585 is a deficient number, since it is larger than the sum of its proper divisors (15020287).

36131585 is a wasteful number, since it uses less digits than its factorization.

36131585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33344.

The product of its digits is 10800, while the sum is 32.

The square root of 36131585 is about 6010.9554149070. The cubic root of 36131585 is about 330.5945358180.

It can be divided in two parts, 3613158 and 5, that added together give a palindrome (3613163).

The spelling of 36131585 in words is "thirty-six million, one hundred thirty-one thousand, five hundred eighty-five".