802873 has 2 divisors, whose sum is σ = 802874. Its totient is φ = 802872.

The previous prime is 802831. The next prime is 802909. The reversal of 802873 is 378208.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480249 + 322624 = 693^2 + 568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-802873 is a prime.

It is not a weakly prime, because it can be changed into another prime (802073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401436 + 401437.

It is an arithmetic number, because the mean of its divisors is an integer number (401437).

2⁸⁰²⁸⁷³ is an apocalyptic number.

It is an amenable number.

802873 is a deficient number, since it is larger than the sum of its proper divisors (1).

802873 is an equidigital number, since it uses as much as digits as its factorization.

802873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 802873 is about 896.0318074711. The cubic root of 802873 is about 92.9427712810.

The spelling of 802873 in words is "eight hundred two thousand, eight hundred seventy-three".