850006481 has 4 divisors (see below), whose sum is σ = 850073700. Its totient is φ = 849939264.

The previous prime is 850006463. The next prime is 850006519. The reversal of 850006481 is 184600058.

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 can be written as a sum of positive squares in 2 ways, for example, as 15085456 + 834921025 = 3884^2 + 28895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-850006481 is a prime.

It is a super-2 number, since 2×850006481² = 1445022035484006722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850002481) 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 3 ways as a sum of consecutive naturals, for example, 8276 + ... + 42053.

It is an arithmetic number, because the mean of its divisors is an integer number (212518425).

Almost surely, 2^850006481 is an apocalyptic number.

It is an amenable number.

850006481 is a deficient number, since it is larger than the sum of its proper divisors (67219).

850006481 is a wasteful number, since it uses less digits than its factorization.

850006481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67218.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 850006481 is about 29154.8706222477. The cubic root of 850006481 is about 947.2706447270.

The spelling of 850006481 in words is "eight hundred fifty million, six thousand, four hundred eighty-one".