8105047 has 2 divisors, whose sum is σ = 8105048. Its totient is φ = 8105046.

The previous prime is 8105021. The next prime is 8105051. The reversal of 8105047 is 7405018.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8105047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8105017) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4052523 + 4052524.

It is an arithmetic number, because the mean of its divisors is an integer number (4052524).

Almost surely, 2^8105047 is an apocalyptic number.

8105047 is a deficient number, since it is larger than the sum of its proper divisors (1).

8105047 is an equidigital number, since it uses as much as digits as its factorization.

8105047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 8105047 is about 2846.9364235964. The cubic root of 8105047 is about 200.8715878224.

The spelling of 8105047 in words is "eight million, one hundred five thousand, forty-seven".