852313249 has 2 divisors, whose sum is σ = 852313250. Its totient is φ = 852313248.

The previous prime is 852313247. The next prime is 852313307. The reversal of 852313249 is 942313258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 745563025 + 106750224 = 27305^2 + 10332^2 .

It is a cyclic number.

It is not a de Polignac number, because 852313249 - 2¹ = 852313247 is a prime.

Together with 852313247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (852313247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426156624 + 426156625.

It is an arithmetic number, because the mean of its divisors is an integer number (426156625).

Almost surely, 2^852313249 is an apocalyptic number.

It is an amenable number.

852313249 is a deficient number, since it is larger than the sum of its proper divisors (1).

852313249 is an equidigital number, since it uses as much as digits as its factorization.

852313249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 852313249 is about 29194.4044124897. The cubic root of 852313249 is about 948.1267793350.

Subtracting 852313249 from its reverse (942313258), we obtain a palindrome (90000009).

The spelling of 852313249 in words is "eight hundred fifty-two million, three hundred thirteen thousand, two hundred forty-nine".