852442897 has 2 divisors, whose sum is σ = 852442898. Its totient is φ = 852442896.

The previous prime is 852442891. The next prime is 852442919. The reversal of 852442897 is 798244258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 852406416 + 36481 = 29196^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 852442897 - 2¹⁹ = 851918609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 852442897.

It is not a weakly prime, because it can be changed into another prime (852442891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426221448 + 426221449.

It is an arithmetic number, because the mean of its divisors is an integer number (426221449).

Almost surely, 2^852442897 is an apocalyptic number.

It is an amenable number.

852442897 is a deficient number, since it is larger than the sum of its proper divisors (1).

852442897 is an equidigital number, since it uses as much as digits as its factorization.

852442897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 49.

The square root of 852442897 is about 29196.6247535567. The cubic root of 852442897 is about 948.1748510616.

The spelling of 852442897 in words is "eight hundred fifty-two million, four hundred forty-two thousand, eight hundred ninety-seven".