378311201 has 2 divisors, whose sum is σ = 378311202. Its totient is φ = 378311200.

The previous prime is 378311189. The next prime is 378311207. The reversal of 378311201 is 102113873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340365601 + 37945600 = 18449^2 + 6160^2 .

It is an emirp because it is prime and its reverse (102113873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378311201 - 2⁶ = 378311137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (378311207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189155600 + 189155601.

It is an arithmetic number, because the mean of its divisors is an integer number (189155601).

Almost surely, 2^378311201 is an apocalyptic number.

It is an amenable number.

378311201 is a deficient number, since it is larger than the sum of its proper divisors (1).

378311201 is an equidigital number, since it uses as much as digits as its factorization.

378311201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 378311201 is about 19450.2236748064. The cubic root of 378311201 is about 723.2410477567.

The spelling of 378311201 in words is "three hundred seventy-eight million, three hundred eleven thousand, two hundred one".