381061583 has 12 divisors (see below), whose sum is σ = 444565800. Its totient is φ = 325673712.

The previous prime is 381061567. The next prime is 381061591. The reversal of 381061583 is 385160183.

It is not a de Polignac number, because 381061583 - 2⁴ = 381061567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381061553) 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 11 ways as a sum of consecutive naturals, for example, 5960 + ... + 28242.

It is an arithmetic number, because the mean of its divisors is an integer number (37047150).

Almost surely, 2^381061583 is an apocalyptic number.

381061583 is a deficient number, since it is larger than the sum of its proper divisors (63504217).

381061583 is a wasteful number, since it uses less digits than its factorization.

381061583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22646 (or 22639 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 381061583 is about 19520.7987285357. The cubic root of 381061583 is about 724.9895094796.

The spelling of 381061583 in words is "three hundred eighty-one million, sixty-one thousand, five hundred eighty-three".