392163241 has 2 divisors, whose sum is σ = 392163242. Its totient is φ = 392163240.

The previous prime is 392163229. The next prime is 392163263. The reversal of 392163241 is 142361293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384160000 + 8003241 = 19600^2 + 2829^2 .

It is an emirp because it is prime and its reverse (142361293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 392163241 - 2¹¹ = 392161193 is a prime.

It is not a weakly prime, because it can be changed into another prime (392163641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196081620 + 196081621.

It is an arithmetic number, because the mean of its divisors is an integer number (196081621).

Almost surely, 2^392163241 is an apocalyptic number.

It is an amenable number.

392163241 is a deficient number, since it is larger than the sum of its proper divisors (1).

392163241 is an equidigital number, since it uses as much as digits as its factorization.

392163241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 392163241 is about 19803.1119019209. Note that the first 3 decimals coincide. The cubic root of 392163241 is about 731.9627178251.

The spelling of 392163241 in words is "three hundred ninety-two million, one hundred sixty-three thousand, two hundred forty-one".