8047825 has 12 divisors (see below), whose sum is σ = 10094220. Its totient is φ = 6364160.

The previous prime is 8047807. The next prime is 8047829. The reversal of 8047825 is 5287408.

It can be written as a sum of positive squares in 6 ways, for example, as 3066001 + 4981824 = 1751^2 + 2232^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8047825 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8047829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (841185).

Almost surely, 2^8047825 is an apocalyptic number.

It is an amenable number.

8047825 is a deficient number, since it is larger than the sum of its proper divisors (2046395).

8047825 is a wasteful number, since it uses less digits than its factorization.

8047825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716 (or 3711 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 8047825 is about 2836.8688725424. The cubic root of 8047825 is about 200.3977501165.

The spelling of 8047825 in words is "eight million, forty-seven thousand, eight hundred twenty-five".