384516241 has 2 divisors, whose sum is σ = 384516242. Its totient is φ = 384516240.

The previous prime is 384516239. The next prime is 384516263. The reversal of 384516241 is 142615483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360848016 + 23668225 = 18996^2 + 4865^2 .

It is an emirp because it is prime and its reverse (142615483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384516241 - 2¹ = 384516239 is a prime.

Together with 384516239, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 384516197 and 384516206.

It is not a weakly prime, because it can be changed into another prime (384516221) 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, 192258120 + 192258121.

It is an arithmetic number, because the mean of its divisors is an integer number (192258121).

Almost surely, 2^384516241 is an apocalyptic number.

It is an amenable number.

384516241 is a deficient number, since it is larger than the sum of its proper divisors (1).

384516241 is an equidigital number, since it uses as much as digits as its factorization.

384516241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 384516241 is about 19609.0856747580. The cubic root of 384516241 is about 727.1738107757.

The spelling of 384516241 in words is "three hundred eighty-four million, five hundred sixteen thousand, two hundred forty-one".