851722053 has 32 divisors (see below), whose sum is σ = 1421414400. Its totient is φ = 441637056.

The previous prime is 851722051. The next prime is 851722097. The reversal of 851722053 is 350227158.

851722053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 851722053 - 2¹ = 851722051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851722051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10333 + ... + 42546.

It is an arithmetic number, because the mean of its divisors is an integer number (44419200).

Almost surely, 2^851722053 is an apocalyptic number.

It is an amenable number.

851722053 is a deficient number, since it is larger than the sum of its proper divisors (569692347).

851722053 is a wasteful number, since it uses less digits than its factorization.

851722053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52961.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 851722053 is about 29184.2774966248. The cubic root of 851722053 is about 947.9075100263.

The spelling of 851722053 in words is "eight hundred fifty-one million, seven hundred twenty-two thousand, fifty-three".