36562021 has 2 divisors, whose sum is σ = 36562022. Its totient is φ = 36562020.

The previous prime is 36561983. The next prime is 36562039. The reversal of 36562021 is 12026563.

36562021 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., 33005025 + 3556996 = 5745^2 + 1886^2 .

It is a cyclic number.

It is not a de Polignac number, because 36562021 - 2¹¹ = 36559973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36562091) 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, 18281010 + 18281011.

It is an arithmetic number, because the mean of its divisors is an integer number (18281011).

Almost surely, 2^36562021 is an apocalyptic number.

It is an amenable number.

36562021 is a deficient number, since it is larger than the sum of its proper divisors (1).

36562021 is an equidigital number, since it uses as much as digits as its factorization.

36562021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 36562021 is about 6046.6537026689. The cubic root of 36562021 is about 331.9021491522.

Adding to 36562021 its reverse (12026563), we get a palindrome (48588584).

The spelling of 36562021 in words is "thirty-six million, five hundred sixty-two thousand, twenty-one".