381173083 has 2 divisors, whose sum is σ = 381173084. Its totient is φ = 381173082.

The previous prime is 381173063. The next prime is 381173087. The reversal of 381173083 is 380371183.

It is a strong prime.

It is an emirp because it is prime and its reverse (380371183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381173083 - 2²⁵ = 347618651 is a prime.

It is equal to p_20384926 and since 381173083 and 20384926 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (381173087) 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, 190586541 + 190586542.

It is an arithmetic number, because the mean of its divisors is an integer number (190586542).

Almost surely, 2^381173083 is an apocalyptic number.

381173083 is a deficient number, since it is larger than the sum of its proper divisors (1).

381173083 is an equidigital number, since it uses as much as digits as its factorization.

381173083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 381173083 is about 19523.6544478743. The cubic root of 381173083 is about 725.0602141031.

The spelling of 381173083 in words is "three hundred eighty-one million, one hundred seventy-three thousand, eighty-three".