63197 has 2 divisors, whose sum is σ = 63198. Its totient is φ = 63196.
The previous prime is 63179. The next prime is 63199. The reversal of 63197 is 79136.
It is a happy number.
Together with previous prime (63179) 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., 63001 + 196 = 251^2 + 14^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-63197 is a prime.
Together with 63199, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (63199) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31598 + 31599.
It is an arithmetic number, because the mean of its divisors is an integer number (31599).
263197 is an apocalyptic number.
It is an amenable number.
63197 is a deficient number, since it is larger than the sum of its proper divisors (1).
63197 is an equidigital number, since it uses as much as digits as its factorization.
63197 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1134, while the sum is 26.
The square root of 63197 is about 251.3901350491. The cubic root of 63197 is about 39.8320037526.
The spelling of 63197 in words is "sixty-three thousand, one hundred ninety-seven".
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