852320437 has 2 divisors, whose sum is σ = 852320438. Its totient is φ = 852320436.

The previous prime is 852320387. The next prime is 852320459. The reversal of 852320437 is 734023258.

852320437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 735982641 + 116337796 = 27129^2 + 10786^2 .

It is a cyclic number.

It is not a de Polignac number, because 852320437 - 2⁷ = 852320309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852320537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426160218 + 426160219.

It is an arithmetic number, because the mean of its divisors is an integer number (426160219).

Almost surely, 2^852320437 is an apocalyptic number.

It is an amenable number.

852320437 is a deficient number, since it is larger than the sum of its proper divisors (1).

852320437 is an equidigital number, since it uses as much as digits as its factorization.

852320437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 852320437 is about 29194.5275180127. The cubic root of 852320437 is about 948.1294446759.

The spelling of 852320437 in words is "eight hundred fifty-two million, three hundred twenty thousand, four hundred thirty-seven".