38875217 has 2 divisors, whose sum is σ = 38875218. Its totient is φ = 38875216.

The previous prime is 38875211. The next prime is 38875229. The reversal of 38875217 is 71257883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31820881 + 7054336 = 5641^2 + 2656^2 .

It is an emirp because it is prime and its reverse (71257883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38875217 - 2⁶ = 38875153 is a prime.

It is a super-2 number, since 2×38875217² = 3022564993594178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38875211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19437608 + 19437609.

It is an arithmetic number, because the mean of its divisors is an integer number (19437609).

Almost surely, 2^38875217 is an apocalyptic number.

It is an amenable number.

38875217 is a deficient number, since it is larger than the sum of its proper divisors (1).

38875217 is an equidigital number, since it uses as much as digits as its factorization.

38875217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 41.

The square root of 38875217 is about 6234.9993584603. Note that the first 3 decimals coincide. The cubic root of 38875217 is about 338.7590779283.

The spelling of 38875217 in words is "thirty-eight million, eight hundred seventy-five thousand, two hundred seventeen".