38108561 has 2 divisors, whose sum is σ = 38108562. Its totient is φ = 38108560.

The previous prime is 38108549. The next prime is 38108569. The reversal of 38108561 is 16580183.

38108561 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., 33930625 + 4177936 = 5825^2 + 2044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38108561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38108569) 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, 19054280 + 19054281.

It is an arithmetic number, because the mean of its divisors is an integer number (19054281).

Almost surely, 2^38108561 is an apocalyptic number.

It is an amenable number.

38108561 is a deficient number, since it is larger than the sum of its proper divisors (1).

38108561 is an equidigital number, since it uses as much as digits as its factorization.

38108561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 38108561 is about 6173.2131827760. The cubic root of 38108561 is about 336.5173936594.

The spelling of 38108561 in words is "thirty-eight million, one hundred eight thousand, five hundred sixty-one".