36521685 has 24 divisors (see below), whose sum is σ = 65651040. Its totient is φ = 19477584.

The previous prime is 36521671. The next prime is 36521699. The reversal of 36521685 is 58612563.

36521685 is a `hidden beast` number, since 365 + 216 + 85 = 666.

36521685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (36521671) and next prime (36521699).

It is not a de Polignac number, because 36521685 - 2⁷ = 36521557 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13815 + ... + 16244.

It is an arithmetic number, because the mean of its divisors is an integer number (2735460).

Almost surely, 2^36521685 is an apocalyptic number.

It is an amenable number.

36521685 is a deficient number, since it is larger than the sum of its proper divisors (29129355).

36521685 is an equidigital number, since it uses as much as digits as its factorization.

36521685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30079 (or 30067 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 36521685 is about 6043.3173836892. The cubic root of 36521685 is about 331.7800504014.

The spelling of 36521685 in words is "thirty-six million, five hundred twenty-one thousand, six hundred eighty-five".