36621001 has 2 divisors, whose sum is σ = 36621002. Its totient is φ = 36621000.

The previous prime is 36620989. The next prime is 36621007. The reversal of 36621001 is 10012663.

36621001 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., 36614601 + 6400 = 6051^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 36621001 - 2⁹ = 36620489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36621001.

It is not a weakly prime, because it can be changed into another prime (36621007) 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, 18310500 + 18310501.

It is an arithmetic number, because the mean of its divisors is an integer number (18310501).

Almost surely, 2^36621001 is an apocalyptic number.

It is an amenable number.

36621001 is a deficient number, since it is larger than the sum of its proper divisors (1).

36621001 is an equidigital number, since it uses as much as digits as its factorization.

36621001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 36621001 is about 6051.5288151012. The cubic root of 36621001 is about 332.0805225164.

Adding to 36621001 its reverse (10012663), we get a palindrome (46633664).

The spelling of 36621001 in words is "thirty-six million, six hundred twenty-one thousand, one".