381065365 has 16 divisors (see below), whose sum is σ = 481075200. Its totient is φ = 289344832.

The previous prime is 381065359. The next prime is 381065369. The reversal of 381065365 is 563560183.

It is not a de Polignac number, because 381065365 - 2¹¹ = 381063317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381065369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13717 + ... + 30826.

It is an arithmetic number, because the mean of its divisors is an integer number (30067200).

Almost surely, 2^381065365 is an apocalyptic number.

It is an amenable number.

381065365 is a deficient number, since it is larger than the sum of its proper divisors (100009835).

381065365 is a wasteful number, since it uses less digits than its factorization.

381065365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44636.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 381065365 is about 19520.8955993315. The cubic root of 381065365 is about 724.9919079557.

The spelling of 381065365 in words is "three hundred eighty-one million, sixty-five thousand, three hundred sixty-five".