348217 has 2 divisors, whose sum is σ = 348218. Its totient is φ = 348216.
The previous prime is 348209. The next prime is 348221. The reversal of 348217 is 712843.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 346921 + 1296 = 589^2 + 36^2 .
It is an emirp because it is prime and its reverse (712843) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 348217 - 23 = 348209 is a prime.
It is equal to p29833 and since 348217 and 29833 have the same sum of digits, it is a Honaker prime.
It is a junction number, because it is equal to n+sod(n) for n = 348191 and 348200.
It is not a weakly prime, because it can be changed into another prime (348247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174108 + 174109.
It is an arithmetic number, because the mean of its divisors is an integer number (174109).
2348217 is an apocalyptic number.
It is an amenable number.
348217 is a deficient number, since it is larger than the sum of its proper divisors (1).
348217 is an equidigital number, since it uses as much as digits as its factorization.
348217 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1344, while the sum is 25.
The square root of 348217 is about 590.0991442122. The cubic root of 348217 is about 70.3531136886.
It can be divided in two parts, 348 and 217, that added together give a palindrome (565).
The spelling of 348217 in words is "three hundred forty-eight thousand, two hundred seventeen".
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