381482565 has 16 divisors (see below), whose sum is σ = 610789248. Its totient is φ = 203318336.

The previous prime is 381482539. The next prime is 381482587. The reversal of 381482565 is 565284183.

It is a cyclic number.

It is not a de Polignac number, because 381482565 - 2¹² = 381478469 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16312 + ... + 32078.

It is an arithmetic number, because the mean of its divisors is an integer number (38174328).

Almost surely, 2^381482565 is an apocalyptic number.

It is an amenable number.

381482565 is a deficient number, since it is larger than the sum of its proper divisors (229306683).

381482565 is a wasteful number, since it uses less digits than its factorization.

381482565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17388.

The product of its digits is 230400, while the sum is 42.

The square root of 381482565 is about 19531.5786612347. The cubic root of 381482565 is about 725.2563912842.

The spelling of 381482565 in words is "three hundred eighty-one million, four hundred eighty-two thousand, five hundred sixty-five".