36015021 has 24 divisors (see below), whose sum is σ = 59991360. Its totient is φ = 20393856.

The previous prime is 36015011. The next prime is 36015029. The reversal of 36015021 is 12051063.

36015021 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 36015021 - 2⁵ = 36014989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36014985 and 36015003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36015029) 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 23 ways as a sum of consecutive naturals, for example, 4590 + ... + 9648.

It is an arithmetic number, because the mean of its divisors is an integer number (2499640).

Almost surely, 2^36015021 is an apocalyptic number.

It is an amenable number.

36015021 is a deficient number, since it is larger than the sum of its proper divisors (23976339).

36015021 is a wasteful number, since it uses less digits than its factorization.

36015021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185 (or 5182 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 36015021 is about 6001.2516194541. The cubic root of 36015021 is about 330.2386428085.

Adding to 36015021 its reverse (12051063), we get a palindrome (48066084).

The spelling of 36015021 in words is "thirty-six million, fifteen thousand, twenty-one".