855733 has 2 divisors, whose sum is σ = 855734. Its totient is φ = 855732.

The previous prime is 855731. The next prime is 855737. The reversal of 855733 is 337558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603729 + 252004 = 777^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 855733 - 2¹ = 855731 is a prime.

Together with 855731, it forms a pair of twin primes.

855733 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 855695 and 855704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855731) 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, 427866 + 427867.

It is an arithmetic number, because the mean of its divisors is an integer number (427867).

2⁸⁵⁵⁷³³ is an apocalyptic number.

It is an amenable number.

855733 is a deficient number, since it is larger than the sum of its proper divisors (1).

855733 is an equidigital number, since it uses as much as digits as its factorization.

855733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 855733 is about 925.0583765363. The cubic root of 855733 is about 94.9393148905.

The spelling of 855733 in words is "eight hundred fifty-five thousand, seven hundred thirty-three".