2105347 has 2 divisors, whose sum is σ = 2105348. Its totient is φ = 2105346.

The previous prime is 2105329. The next prime is 2105357. The reversal of 2105347 is 7435012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2105347 - 2¹⁵ = 2072579 is a prime.

It is a Chen prime.

It is equal to p₁₅₆₁₈₁ and since 2105347 and 156181 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2105317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052673 + 1052674.

It is an arithmetic number, because the mean of its divisors is an integer number (1052674).

2^2105347 is an apocalyptic number.

2105347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105347 is an equidigital number, since it uses as much as digits as its factorization.

2105347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2105347 is about 1450.9813920240. The cubic root of 2105347 is about 128.1665109992.

The spelling of 2105347 in words is "two million, one hundred five thousand, three hundred forty-seven".