842353 has 2 divisors, whose sum is σ = 842354. Its totient is φ = 842352.

The previous prime is 842351. The next prime is 842371. The reversal of 842353 is 353248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831744 + 10609 = 912^2 + 103^2 .

It is a cyclic number.

It is not a de Polignac number, because 842353 - 2¹ = 842351 is a prime.

Together with 842351, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421176 + 421177.

It is an arithmetic number, because the mean of its divisors is an integer number (421177).

2⁸⁴²³⁵³ is an apocalyptic number.

It is an amenable number.

842353 is a deficient number, since it is larger than the sum of its proper divisors (1).

842353 is an equidigital number, since it uses as much as digits as its factorization.

842353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 842353 is about 917.7979080386. The cubic root of 842353 is about 94.4418985345.

The spelling of 842353 in words is "eight hundred forty-two thousand, three hundred fifty-three".