36910021 has 2 divisors, whose sum is σ = 36910022. Its totient is φ = 36910020.

The previous prime is 36910001. The next prime is 36910037. The reversal of 36910021 is 12001963.

36910021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34644996 + 2265025 = 5886^2 + 1505^2 .

It is an emirp because it is prime and its reverse (12001963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36910021 - 2¹³ = 36901829 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 36909974 and 36910001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36910001) 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 as a sum of consecutive naturals, namely, 18455010 + 18455011.

It is an arithmetic number, because the mean of its divisors is an integer number (18455011).

Almost surely, 2^36910021 is an apocalyptic number.

It is an amenable number.

36910021 is a deficient number, since it is larger than the sum of its proper divisors (1).

36910021 is an equidigital number, since it uses as much as digits as its factorization.

36910021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 36910021 is about 6075.3617999260. The cubic root of 36910021 is about 332.9518487974.

Adding to 36910021 its reverse (12001963), we get a palindrome (48911984).

The spelling of 36910021 in words is "thirty-six million, nine hundred ten thousand, twenty-one".