38817113 has 2 divisors, whose sum is σ = 38817114. Its totient is φ = 38817112.

The previous prime is 38817047. The next prime is 38817127. The reversal of 38817113 is 31171883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27175369 + 11641744 = 5213^2 + 3412^2 .

It is a cyclic number.

It is not a de Polignac number, because 38817113 - 2⁸ = 38816857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38817113.

It is not a weakly prime, because it can be changed into another prime (38817173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19408556 + 19408557.

It is an arithmetic number, because the mean of its divisors is an integer number (19408557).

Almost surely, 2^38817113 is an apocalyptic number.

It is an amenable number.

38817113 is a deficient number, since it is larger than the sum of its proper divisors (1).

38817113 is an equidigital number, since it uses as much as digits as its factorization.

38817113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 38817113 is about 6230.3381128154. The cubic root of 38817113 is about 338.5902208044.

Adding to 38817113 its reverse (31171883), we get a palindrome (69988996).

The spelling of 38817113 in words is "thirty-eight million, eight hundred seventeen thousand, one hundred thirteen".