851346522 has 24 divisors (see below), whose sum is σ = 1986475764. Its totient is φ = 261952704.

The previous prime is 851346511. The next prime is 851346619. The reversal of 851346522 is 225643158.

851346522 is a `hidden beast` number, since 85 + 13 + 46 + 522 = 666.

851346522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 843844401 + 7502121 = 29049^2 + 2739^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1818883 + ... + 1819350.

Almost surely, 2^851346522 is an apocalyptic number.

851346522 is an abundant number, since it is smaller than the sum of its proper divisors (1135129242).

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

851346522 is a wasteful number, since it uses less digits than its factorization.

851346522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638254 (or 3638251 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 851346522 is about 29177.8429977269. The cubic root of 851346522 is about 947.7681762366.

The spelling of 851346522 in words is "eight hundred fifty-one million, three hundred forty-six thousand, five hundred twenty-two".