381694301 has 2 divisors, whose sum is σ = 381694302. Its totient is φ = 381694300.

The previous prime is 381694283. The next prime is 381694337. The reversal of 381694301 is 103496183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375196900 + 6497401 = 19370^2 + 2549^2 .

It is a cyclic number.

It is not a de Polignac number, because 381694301 - 2⁶ = 381694237 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381694381) 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, 190847150 + 190847151.

It is an arithmetic number, because the mean of its divisors is an integer number (190847151).

Almost surely, 2^381694301 is an apocalyptic number.

It is an amenable number.

381694301 is a deficient number, since it is larger than the sum of its proper divisors (1).

381694301 is an equidigital number, since it uses as much as digits as its factorization.

381694301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 381694301 is about 19536.9982597123. The cubic root of 381694301 is about 725.3905472494.

The spelling of 381694301 in words is "three hundred eighty-one million, six hundred ninety-four thousand, three hundred one".