36303021 has 12 divisors (see below), whose sum is σ = 52499772. Its totient is φ = 24173376.

The previous prime is 36303017. The next prime is 36303023. The reversal of 36303021 is 12030363.

It is a happy number.

36303021 is a `hidden beast` number, since 3 + 630 + 30 + 2 + 1 = 666.

36303021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 19900521 + 16402500 = 4461^2 + 4050^2 .

It is not a de Polignac number, because 36303021 - 2² = 36303017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36302985 and 36303003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36303023) 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 11 ways as a sum of consecutive naturals, for example, 8035 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (4374981).

Almost surely, 2^36303021 is an apocalyptic number.

It is an amenable number.

36303021 is a deficient number, since it is larger than the sum of its proper divisors (16196751).

36303021 is a wasteful number, since it uses less digits than its factorization.

36303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780 (or 4777 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 36303021 is about 6025.1988348933. The cubic root of 36303021 is about 331.1165758607.

Adding to 36303021 its reverse (12030363), we get a palindrome (48333384).

The spelling of 36303021 in words is "thirty-six million, three hundred three thousand, twenty-one".