850825506 has 32 divisors (see below), whose sum is σ = 1717244928. Its totient is φ = 281019600.

The previous prime is 850825501. The next prime is 850825531. The reversal of 850825506 is 605528058.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (850825501) 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 15 ways as a sum of consecutive naturals, for example, 454785 + ... + 456651.

It is an arithmetic number, because the mean of its divisors is an integer number (53663904).

Almost surely, 2^850825506 is an apocalyptic number.

850825506 is an abundant number, since it is smaller than the sum of its proper divisors (866419422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

850825506 is a wasteful number, since it uses less digits than its factorization.

850825506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 850825506 is about 29168.9133496605. The cubic root of 850825506 is about 947.5747950693.

The spelling of 850825506 in words is "eight hundred fifty million, eight hundred twenty-five thousand, five hundred six".