2105307 has 6 divisors (see below), whose sum is σ = 3041012. Its totient is φ = 1403532.

The previous prime is 2105287. The next prime is 2105317. The reversal of 2105307 is 7035012.

It is not a de Polignac number, because 2105307 - 2¹⁶ = 2039771 is a prime.

It is a Duffinian number.

2105307 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2105307.

It is not an unprimeable number, because it can be changed into a prime (2105317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116953 + ... + 116970.

2^2105307 is an apocalyptic number.

2105307 is a deficient number, since it is larger than the sum of its proper divisors (935705).

2105307 is a wasteful number, since it uses less digits than its factorization.

2105307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233929 (or 233926 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 2105307 is about 1450.9676081843. The cubic root of 2105307 is about 128.1656993052.

The spelling of 2105307 in words is "two million, one hundred five thousand, three hundred seven".