378525241 has 2 divisors, whose sum is σ = 378525242. Its totient is φ = 378525240.

The previous prime is 378525229. The next prime is 378525361. The reversal of 378525241 is 142525873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376554025 + 1971216 = 19405^2 + 1404^2 .

It is a cyclic number.

It is not a de Polignac number, because 378525241 - 2¹⁷ = 378394169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378525241.

It is not a weakly prime, because it can be changed into another prime (378525041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189262620 + 189262621.

It is an arithmetic number, because the mean of its divisors is an integer number (189262621).

Almost surely, 2^378525241 is an apocalyptic number.

It is an amenable number.

378525241 is a deficient number, since it is larger than the sum of its proper divisors (1).

378525241 is an equidigital number, since it uses as much as digits as its factorization.

378525241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The square root of 378525241 is about 19455.7251471129. The cubic root of 378525241 is about 723.3774199004.

The spelling of 378525241 in words is "three hundred seventy-eight million, five hundred twenty-five thousand, two hundred forty-one".