381361059 has 12 divisors (see below), whose sum is σ = 551918952. Its totient is φ = 253749600.

The previous prime is 381360971. The next prime is 381361063. The reversal of 381361059 is 950163183.

It is a happy number.

381361059 is a `hidden beast` number, since 38 + 1 + 3 + 610 + 5 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-381361059 is a prime.

It is a super-3 number, since 3×381361059³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (381361069) 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, 35977 + ... + 45354.

It is an arithmetic number, because the mean of its divisors is an integer number (45993246).

Almost surely, 2^381361059 is an apocalyptic number.

381361059 is a deficient number, since it is larger than the sum of its proper divisors (170557893).

381361059 is a wasteful number, since it uses less digits than its factorization.

381361059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81858 (or 81855 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 381361059 is about 19528.4679122557. The cubic root of 381361059 is about 725.1793826440.

The spelling of 381361059 in words is "three hundred eighty-one million, three hundred sixty-one thousand, fifty-nine".