612043 has 2 divisors, whose sum is σ = 612044. Its totient is φ = 612042.
The previous prime is 612041. The next prime is 612049. The reversal of 612043 is 340216.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 612043 - 21 = 612041 is a prime.
Together with 612041, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (612041) 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, 306021 + 306022.
It is an arithmetic number, because the mean of its divisors is an integer number (306022).
2612043 is an apocalyptic number.
612043 is a deficient number, since it is larger than the sum of its proper divisors (1).
612043 is an equidigital number, since it uses as much as digits as its factorization.
612043 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 612043 is about 782.3317710537. The cubic root of 612043 is about 84.9038358831.
Adding to 612043 its reverse (340216), we get a palindrome (952259).
The spelling of 612043 in words is "six hundred twelve thousand, forty-three".
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