873319 has 2 divisors, whose sum is σ = 873320. Its totient is φ = 873318.

The previous prime is 873317. The next prime is 873331. The reversal of 873319 is 913378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 873319 - 2¹ = 873317 is a prime.

It is a super-2 number, since 2×873319² = 1525372151522, which contains 22 as substring.

Together with 873317, it forms a pair of twin primes.

It is a Chen prime.

873319 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436659 + 436660.

It is an arithmetic number, because the mean of its divisors is an integer number (436660).

2⁸⁷³³¹⁹ is an apocalyptic number.

873319 is a deficient number, since it is larger than the sum of its proper divisors (1).

873319 is an equidigital number, since it uses as much as digits as its factorization.

873319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 873319 is about 934.5153824309. The cubic root of 873319 is about 95.5852696386.

The spelling of 873319 in words is "eight hundred seventy-three thousand, three hundred nineteen".