852520084901 has 2 divisors, whose sum is σ = 852520084902. Its totient is φ = 852520084900.

The previous prime is 852520084883. The next prime is 852520084937. The reversal of 852520084901 is 109480025258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 793611940801 + 58908144100 = 890849^2 + 242710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-852520084901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852520081901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426260042450 + 426260042451.

It is an arithmetic number, because the mean of its divisors is an integer number (426260042451).

Almost surely, 2^852520084901 is an apocalyptic number.

It is an amenable number.

852520084901 is a deficient number, since it is larger than the sum of its proper divisors (1).

852520084901 is an equidigital number, since it uses as much as digits as its factorization.

852520084901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 852520084901 in words is "eight hundred fifty-two billion, five hundred twenty million, eighty-four thousand, nine hundred one".