36531685 has 4 divisors (see below), whose sum is σ = 43838028. Its totient is φ = 29225344.

The previous prime is 36531673. The next prime is 36531707. The reversal of 36531685 is 58613563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58613563 = 541 ⋅108343.

It can be written as a sum of positive squares in 2 ways, for example, as 14092516 + 22439169 = 3754^2 + 4737^2 .

It is a cyclic number.

It is not a de Polignac number, because 36531685 - 2⁷ = 36531557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3653164 + ... + 3653173.

It is an arithmetic number, because the mean of its divisors is an integer number (10959507).

Almost surely, 2^36531685 is an apocalyptic number.

It is an amenable number.

36531685 is a deficient number, since it is larger than the sum of its proper divisors (7306343).

36531685 is an equidigital number, since it uses as much as digits as its factorization.

36531685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306342.

The product of its digits is 64800, while the sum is 37.

The square root of 36531685 is about 6044.1446872159. The cubic root of 36531685 is about 331.8103291954.

The spelling of 36531685 in words is "thirty-six million, five hundred thirty-one thousand, six hundred eighty-five".