2381163 has 4 divisors (see below), whose sum is σ = 3174888. Its totient is φ = 1587440.

The previous prime is 2381153. The next prime is 2381179. The reversal of 2381163 is 3611832.

2381163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2381163 - 2⁴ = 2381147 is a prime.

It is an Ulam number.

It is a D-number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2381143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396858 + ... + 396863.

It is an arithmetic number, because the mean of its divisors is an integer number (793722).

2^2381163 is an apocalyptic number.

2381163 is a deficient number, since it is larger than the sum of its proper divisors (793725).

2381163 is an equidigital number, since it uses as much as digits as its factorization.

2381163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793724.

The product of its digits is 864, while the sum is 24.

The square root of 2381163 is about 1543.1017464834. The cubic root of 2381163 is about 133.5353887862.

Adding to 2381163 its reverse (3611832), we get a palindrome (5992995).

The spelling of 2381163 in words is "two million, three hundred eighty-one thousand, one hundred sixty-three".