842833457 has 2 divisors, whose sum is σ = 842833458. Its totient is φ = 842833456.

The previous prime is 842833427. The next prime is 842833501. The reversal of 842833457 is 754338248.

842833457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (842833501) can be obtained adding 842833457 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 668170801 + 174662656 = 25849^2 + 13216^2 .

It is a cyclic number.

It is not a de Polignac number, because 842833457 - 2²⁴ = 826056241 is a prime.

It is not a weakly prime, because it can be changed into another prime (842833417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421416728 + 421416729.

It is an arithmetic number, because the mean of its divisors is an integer number (421416729).

Almost surely, 2^842833457 is an apocalyptic number.

It is an amenable number.

842833457 is a deficient number, since it is larger than the sum of its proper divisors (1).

842833457 is an equidigital number, since it uses as much as digits as its factorization.

842833457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 44.

The square root of 842833457 is about 29031.5941174438. The cubic root of 842833457 is about 944.5985088422.

The spelling of 842833457 in words is "eight hundred forty-two million, eight hundred thirty-three thousand, four hundred fifty-seven".