2105318 has 8 divisors (see below), whose sum is σ = 3225312. Its totient is φ = 1030216.

The previous prime is 2105317. The next prime is 2105329. The reversal of 2105318 is 8135012.

2105318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2105318² = 8864727762248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2105318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105317) 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, 11105 + ... + 11292.

It is an arithmetic number, because the mean of its divisors is an integer number (403164).

2^2105318 is an apocalyptic number.

2105318 is a deficient number, since it is larger than the sum of its proper divisors (1119994).

2105318 is a wasteful number, since it uses less digits than its factorization.

2105318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22446.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2105318 is about 1450.9713987533. The cubic root of 2105318 is about 128.1659225220.

The spelling of 2105318 in words is "two million, one hundred five thousand, three hundred eighteen".