852685013 has 2 divisors, whose sum is σ = 852685014. Its totient is φ = 852685012.

The previous prime is 852685007. The next prime is 852685061. The reversal of 852685013 is 310586258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 851297329 + 1387684 = 29177^2 + 1178^2 .

It is a cyclic number.

It is not a de Polignac number, because 852685013 - 2⁶ = 852684949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852685063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426342506 + 426342507.

It is an arithmetic number, because the mean of its divisors is an integer number (426342507).

Almost surely, 2^852685013 is an apocalyptic number.

It is an amenable number.

852685013 is a deficient number, since it is larger than the sum of its proper divisors (1).

852685013 is an equidigital number, since it uses as much as digits as its factorization.

852685013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 852685013 is about 29200.7707603755. The cubic root of 852685013 is about 948.2646113540.

It can be divided in two parts, 8526 and 85013, that added together give a palindrome (93539).

The spelling of 852685013 in words is "eight hundred fifty-two million, six hundred eighty-five thousand, thirteen".