38516243 has 2 divisors, whose sum is σ = 38516244. Its totient is φ = 38516242.

The previous prime is 38516221. The next prime is 38516267. The reversal of 38516243 is 34261583.

38516243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38516243 - 2¹² = 38512147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38516273) 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, 19258121 + 19258122.

It is an arithmetic number, because the mean of its divisors is an integer number (19258122).

Almost surely, 2^38516243 is an apocalyptic number.

38516243 is a deficient number, since it is larger than the sum of its proper divisors (1).

38516243 is an equidigital number, since it uses as much as digits as its factorization.

38516243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 38516243 is about 6206.1455832102. The cubic root of 38516243 is about 337.7131507684.

The spelling of 38516243 in words is "thirty-eight million, five hundred sixteen thousand, two hundred forty-three".