36563021 has 8 divisors (see below), whose sum is σ = 40860288. Its totient is φ = 32428000.

The previous prime is 36562991. The next prime is 36563047. The reversal of 36563021 is 12036563.

36563021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36563021 - 2⁶ = 36562957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36563081) 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 7 ways as a sum of consecutive naturals, for example, 40085 + ... + 40986.

It is an arithmetic number, because the mean of its divisors is an integer number (5107536).

Almost surely, 2^36563021 is an apocalyptic number.

It is an amenable number.

36563021 is a deficient number, since it is larger than the sum of its proper divisors (4297267).

36563021 is a wasteful number, since it uses less digits than its factorization.

36563021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81123.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 36563021 is about 6046.7363924683. The cubic root of 36563021 is about 331.9051750528.

Adding to 36563021 its reverse (12036563), we get a palindrome (48599584).

The spelling of 36563021 in words is "thirty-six million, five hundred sixty-three thousand, twenty-one".