8201047 has 4 divisors (see below), whose sum is σ = 8209656. Its totient is φ = 8192440.

The previous prime is 8201033. The next prime is 8201071. The reversal of 8201047 is 7401028.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8201047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8201647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668 + ... + 4849.

It is an arithmetic number, because the mean of its divisors is an integer number (2052414).

Almost surely, 2^8201047 is an apocalyptic number.

8201047 is a deficient number, since it is larger than the sum of its proper divisors (8609).

8201047 is a wasteful number, since it uses less digits than its factorization.

8201047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8608.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 8201047 is about 2863.7470209500. The cubic root of 8201047 is about 201.6615497036.

The spelling of 8201047 in words is "eight million, two hundred one thousand, forty-seven".