493111 has 2 divisors, whose sum is σ = 493112.
Its totient is φ = 493110.
The previous prime is 493109. The next prime is 493121. The reversal of 493111 is 111394.
It can be divided in two parts, 49 and 3111, that added together give a triangular number (3160 = T79).
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 493111 - 21 = 493109 is a prime.
Together with 493109, it forms a pair of twin primes.
It is a Chen prime.
493111 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (493121) 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, 246555 + 246556.
It is an arithmetic number, because the mean of its divisors is an integer number (246556).
2493111 is an apocalyptic number.
493111 is a deficient number, since it is larger than the sum of its proper divisors (1).
493111 is an equidigital number, since it uses as much as digits as its factorization.
493111 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 108, while the sum is 19.
The square root of 493111 is about 702.2186269247.
The cubic root of 493111 is about 79.0038453504.
The spelling of 493111 in words is "four hundred ninety-three thousand, one hundred eleven".