381001065 has 8 divisors (see below), whose sum is σ = 609601728. Its totient is φ = 203200560.

The previous prime is 381001063. The next prime is 381001073. The reversal of 381001065 is 560100183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381001065 - 2¹ = 381001063 is a prime.

It is a super-2 number, since 2×381001065² = 290323623062268450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (381001063) 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 in 7 ways as a sum of consecutive naturals, for example, 12700021 + ... + 12700050.

It is an arithmetic number, because the mean of its divisors is an integer number (76200216).

Almost surely, 2^381001065 is an apocalyptic number.

It is an amenable number.

381001065 is a deficient number, since it is larger than the sum of its proper divisors (228600663).

381001065 is a wasteful number, since it uses less digits than its factorization.

381001065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25400079.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 381001065 is about 19519.2485767255. The cubic root of 381001065 is about 724.9511278986.

The spelling of 381001065 in words is "three hundred eighty-one million, one thousand, sixty-five".