378488041 has 2 divisors, whose sum is σ = 378488042. Its totient is φ = 378488040.

The previous prime is 378488027. The next prime is 378488063. The reversal of 378488041 is 140884873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326705625 + 51782416 = 18075^2 + 7196^2 .

It is an emirp because it is prime and its reverse (140884873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378488041 - 2¹¹ = 378485993 is a prime.

It is not a weakly prime, because it can be changed into another prime (378488141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189244020 + 189244021.

It is an arithmetic number, because the mean of its divisors is an integer number (189244021).

Almost surely, 2^378488041 is an apocalyptic number.

It is an amenable number.

378488041 is a deficient number, since it is larger than the sum of its proper divisors (1).

378488041 is an equidigital number, since it uses as much as digits as its factorization.

378488041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 378488041 is about 19454.7691068283. The cubic root of 378488041 is about 723.3537222103.

The spelling of 378488041 in words is "three hundred seventy-eight million, four hundred eighty-eight thousand, forty-one".