850548641 has 4 divisors (see below), whose sum is σ = 900580932. Its totient is φ = 800516352.

The previous prime is 850548617. The next prime is 850548653. The reversal of 850548641 is 146845058.

850548641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 692795041 + 157753600 = 26321^2 + 12560^2 .

It is a cyclic number.

It is not a de Polignac number, because 850548641 - 2⁶ = 850548577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850548241) 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, 25016120 + ... + 25016153.

It is an arithmetic number, because the mean of its divisors is an integer number (225145233).

Almost surely, 2^850548641 is an apocalyptic number.

It is an amenable number.

850548641 is a deficient number, since it is larger than the sum of its proper divisors (50032291).

850548641 is a wasteful number, since it uses less digits than its factorization.

850548641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50032290.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 850548641 is about 29164.1670719395. The cubic root of 850548641 is about 947.4720012705.

The spelling of 850548641 in words is "eight hundred fifty million, five hundred forty-eight thousand, six hundred forty-one".