850074481 has 2 divisors, whose sum is σ = 850074482. Its totient is φ = 850074480.

The previous prime is 850074461. The next prime is 850074487. The reversal of 850074481 is 184470058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445421025 + 404653456 = 21105^2 + 20116^2 .

It is a cyclic number.

It is not a de Polignac number, because 850074481 - 2⁹ = 850073969 is a prime.

It is a super-2 number, since 2×850074481² = 1445253246494838722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 850074481.

It is not a weakly prime, because it can be changed into another prime (850074487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425037240 + 425037241.

It is an arithmetic number, because the mean of its divisors is an integer number (425037241).

Almost surely, 2^850074481 is an apocalyptic number.

It is an amenable number.

850074481 is a deficient number, since it is larger than the sum of its proper divisors (1).

850074481 is an equidigital number, since it uses as much as digits as its factorization.

850074481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 850074481 is about 29156.0367848581. The cubic root of 850074481 is about 947.2959044114.

The spelling of 850074481 in words is "eight hundred fifty million, seventy-four thousand, four hundred eighty-one".