851947041 has 16 divisors (see below), whose sum is σ = 1242763200. Its totient is φ = 514845120.

The previous prime is 851947039. The next prime is 851947043. The reversal of 851947041 is 140749158.

851947041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (851947039) and next prime (851947043).

It is not a de Polignac number, because 851947041 - 2¹ = 851947039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (851947043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25470 + ... + 48503.

It is an arithmetic number, because the mean of its divisors is an integer number (77672700).

Almost surely, 2^851947041 is an apocalyptic number.

It is an amenable number.

851947041 is a deficient number, since it is larger than the sum of its proper divisors (390816159).

851947041 is a wasteful number, since it uses less digits than its factorization.

851947041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74336.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 851947041 is about 29188.1318518332. The cubic root of 851947041 is about 947.9909680191.

It can be divided in two parts, 85194 and 7041, that added together give a triangular number (92235 = T₄₂₉).

The spelling of 851947041 in words is "eight hundred fifty-one million, nine hundred forty-seven thousand, forty-one".