38751217 has 2 divisors, whose sum is σ = 38751218. Its totient is φ = 38751216.

The previous prime is 38751197. The next prime is 38751233. The reversal of 38751217 is 71215783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28740321 + 10010896 = 5361^2 + 3164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38751217 is a prime.

It is not a weakly prime, because it can be changed into another prime (38751017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19375608 + 19375609.

It is an arithmetic number, because the mean of its divisors is an integer number (19375609).

Almost surely, 2^38751217 is an apocalyptic number.

It is an amenable number.

38751217 is a deficient number, since it is larger than the sum of its proper divisors (1).

38751217 is an equidigital number, since it uses as much as digits as its factorization.

38751217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 34.

The square root of 38751217 is about 6225.0475500192. The cubic root of 38751217 is about 338.3985151634.

The spelling of 38751217 in words is "thirty-eight million, seven hundred fifty-one thousand, two hundred seventeen".