852794521 has 2 divisors, whose sum is σ = 852794522. Its totient is φ = 852794520.

The previous prime is 852794519. The next prime is 852794549. The reversal of 852794521 is 125497258.

852794521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 842160400 + 10634121 = 29020^2 + 3261^2 .

It is a cyclic number.

It is not a de Polignac number, because 852794521 - 2¹ = 852794519 is a prime.

Together with 852794519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (852794581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426397260 + 426397261.

It is an arithmetic number, because the mean of its divisors is an integer number (426397261).

Almost surely, 2^852794521 is an apocalyptic number.

It is an amenable number.

852794521 is a deficient number, since it is larger than the sum of its proper divisors (1).

852794521 is an equidigital number, since it uses as much as digits as its factorization.

852794521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 43.

The square root of 852794521 is about 29202.6457876679. The cubic root of 852794521 is about 948.3052039583.

The spelling of 852794521 in words is "eight hundred fifty-two million, seven hundred ninety-four thousand, five hundred twenty-one".