8066256425 has 12 divisors (see below), whose sum is σ = 10101192396. Its totient is φ = 6389112000.

The previous prime is 8066256421. The next prime is 8066256431. The reversal of 8066256425 is 5246526608.

It can be written as a sum of positive squares in 6 ways, for example, as 1889553961 + 6176702464 = 43469^2 + 78592^2 .

It is not a de Polignac number, because 8066256425 - 2² = 8066256421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8066256421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1594754 + ... + 1599803.

It is an arithmetic number, because the mean of its divisors is an integer number (841766033).

Almost surely, 2^8066256425 is an apocalyptic number.

It is an amenable number.

8066256425 is a deficient number, since it is larger than the sum of its proper divisors (2034935971).

8066256425 is a wasteful number, since it uses less digits than its factorization.

8066256425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194668 (or 3194663 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 8066256425 is about 89812.3400485702. The cubic root of 8066256425 is about 2005.5061957427.

The spelling of 8066256425 in words is "eight billion, sixty-six million, two hundred fifty-six thousand, four hundred twenty-five".