500197 has 2 divisors, whose sum is σ = 500198. Its totient is φ = 500196.
The previous prime is 500179. The next prime is 500209. The reversal of 500197 is 791005.
Together with previous prime (500179) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 376996 + 123201 = 614^2 + 351^2 .
It is a cyclic number.
It is not a de Polignac number, because 500197 - 27 = 500069 is a prime.
It is a plaindrome in base 13.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (500107) 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, 250098 + 250099.
It is an arithmetic number, because the mean of its divisors is an integer number (250099).
2500197 is an apocalyptic number.
It is an amenable number.
500197 is a deficient number, since it is larger than the sum of its proper divisors (1).
500197 is an equidigital number, since it uses as much as digits as its factorization.
500197 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 315, while the sum is 22.
The square root of 500197 is about 707.2460675041. The cubic root of 500197 is about 79.3804751633.
The spelling of 500197 in words is "five hundred thousand, one hundred ninety-seven".
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