381015063 has 48 divisors (see below), whose sum is σ = 666881280. Its totient is φ = 213127200.

The previous prime is 381015053. The next prime is 381015071. The reversal of 381015063 is 360510183.

It is not a de Polignac number, because 381015063 - 2¹⁷ = 380883991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381015023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46398 + ... + 53988.

It is an arithmetic number, because the mean of its divisors is an integer number (13893360).

Almost surely, 2^381015063 is an apocalyptic number.

381015063 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

381015063 is a deficient number, since it is larger than the sum of its proper divisors (285866217).

381015063 is a wasteful number, since it uses less digits than its factorization.

381015063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637 (or 7618 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 381015063 is about 19519.6071425631. The cubic root of 381015063 is about 724.9600060380.

It can be divided in two parts, 38 and 1015063, that added together give a palindrome (1015101).

The spelling of 381015063 in words is "three hundred eighty-one million, fifteen thousand, sixty-three".