611113 has 2 divisors, whose sum is σ = 611114.
Its totient is φ = 611112.
The previous prime is 611111. The next prime is 611131. The reversal of 611113 is 311116.
It is a happy number.
Together with next prime (611131) it forms an Ormiston pair, because they use the same digits, order apart.
It is a m-pointer prime, because the next prime (611131) can be obtained adding 611113 to its product of digits (18).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 595984 + 15129 = 772^2 + 123^2
It is a cyclic number.
It is not a de Polignac number, because 611113 - 21 = 611111 is a prime.
Together with 611111, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 611093 and 611102.
It is not a weakly prime, because it can be changed into another prime (611111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305556 + 305557.
It is an arithmetic number, because the mean of its divisors is an integer number (305557).
2611113 is an apocalyptic number.
It is an amenable number.
611113 is a deficient number, since it is larger than the sum of its proper divisors (1).
611113 is an equidigital number, since it uses as much as digits as its factorization.
611113 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 18, while the sum is 13.
The square root of 611113 is about 781.7371681070.
The cubic root of 611113 is about 84.8608102598.
Adding to 611113 its reverse (311116), we get a palindrome (922229).
The spelling of 611113 in words is "six hundred eleven thousand, one hundred thirteen".