381027371 has 2 divisors, whose sum is σ = 381027372. Its totient is φ = 381027370.

The previous prime is 381027337. The next prime is 381027379. The reversal of 381027371 is 173720183.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381027371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (381027379) 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, 190513685 + 190513686.

It is an arithmetic number, because the mean of its divisors is an integer number (190513686).

Almost surely, 2^381027371 is an apocalyptic number.

381027371 is a deficient number, since it is larger than the sum of its proper divisors (1).

381027371 is an equidigital number, since it uses as much as digits as its factorization.

381027371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 381027371 is about 19519.9224127556. The cubic root of 381027371 is about 724.9678121263.

The spelling of 381027371 in words is "three hundred eighty-one million, twenty-seven thousand, three hundred seventy-one".