851062085 has 4 divisors (see below), whose sum is σ = 1021274508. Its totient is φ = 680849664.

The previous prime is 851062033. The next prime is 851062097. The reversal of 851062085 is 580260158.

It is a happy number.

851062085 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, and also an emirpimes, since its reverse is a distinct semiprime: 580260158 = 2 ⋅290130079.

It can be written as a sum of positive squares in 2 ways, for example, as 474934849 + 376127236 = 21793^2 + 19394^2 .

It is a cyclic number.

It is not a de Polignac number, because 851062085 - 2⁸ = 851061829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85106204 + ... + 85106213.

It is an arithmetic number, because the mean of its divisors is an integer number (255318627).

Almost surely, 2^851062085 is an apocalyptic number.

It is an amenable number.

851062085 is a deficient number, since it is larger than the sum of its proper divisors (170212423).

851062085 is a wasteful number, since it uses less digits than its factorization.

851062085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170212422.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 851062085 is about 29172.9683954170. The cubic root of 851062085 is about 947.6626139076.

The spelling of 851062085 in words is "eight hundred fifty-one million, sixty-two thousand, eighty-five".