851051 has 2 divisors, whose sum is σ = 851052. Its totient is φ = 851050.

The previous prime is 851041. The next prime is 851057. The reversal of 851051 is 150158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 851051 - 2¹⁰ = 850027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (851057) 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 as a sum of consecutive naturals, namely, 425525 + 425526.

It is an arithmetic number, because the mean of its divisors is an integer number (425526).

2⁸⁵¹⁰⁵¹ is an apocalyptic number.

851051 is a deficient number, since it is larger than the sum of its proper divisors (1).

851051 is an equidigital number, since it uses as much as digits as its factorization.

851051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 851051 is about 922.5242544237. The cubic root of 851051 is about 94.7658499486.

The spelling of 851051 in words is "eight hundred fifty-one thousand, fifty-one".