2105315 has 8 divisors (see below), whose sum is σ = 2537568. Its totient is φ = 1676800.

The previous prime is 2105287. The next prime is 2105317. The reversal of 2105315 is 5135012.

2105315 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 not a de Polignac number, because 2105315 - 2⁶ = 2105251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2105293 and 2105302.

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 7 ways as a sum of consecutive naturals, for example, 515 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (317196).

2^2105315 is an apocalyptic number.

2105315 is a deficient number, since it is larger than the sum of its proper divisors (432253).

2105315 is a wasteful number, since it uses less digits than its factorization.

2105315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 2105315 is about 1450.9703649627. The cubic root of 2105315 is about 128.1658616448.

The spelling of 2105315 in words is "two million, one hundred five thousand, three hundred fifteen".