197383 has 2 divisors, whose sum is σ = 197384. Its totient is φ = 197382.
The previous prime is 197381. The next prime is 197389. The reversal of 197383 is 383791.
It is a weak prime.
It is an emirp because it is prime and its reverse (383791) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 197383 - 21 = 197381 is a prime.
Together with 197381, it forms a pair of twin primes.
It is a d-powerful number, because it can be written as 1 + 93 + 37 + 75 + 83 + 311 .
It is a zygodrome in base 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (197381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98691 + 98692.
It is an arithmetic number, because the mean of its divisors is an integer number (98692).
2197383 is an apocalyptic number.
197383 is a deficient number, since it is larger than the sum of its proper divisors (1).
197383 is an equidigital number, since it uses as much as digits as its factorization.
197383 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4536, while the sum is 31.
The square root of 197383 is about 444.2780660802. The cubic root of 197383 is about 58.2241622532.
The spelling of 197383 in words is "one hundred ninety-seven thousand, three hundred eighty-three".
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