64197 has 12 divisors (see below), whose sum is σ = 106080. Its totient is φ = 36648.
The previous prime is 64189. The next prime is 64217. The reversal of 64197 is 79146.
It is not a de Polignac number, because 64197 - 23 = 64189 is a prime.
It is a d-powerful number, because it can be written as 66 + 4 + 1 + 93 + 75 .
64197 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 64197.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64157) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447 + ... + 572.
It is an arithmetic number, because the mean of its divisors is an integer number (8840).
264197 is an apocalyptic number.
It is an amenable number.
64197 is a deficient number, since it is larger than the sum of its proper divisors (41883).
64197 is a wasteful number, since it uses less digits than its factorization.
64197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1032 (or 1029 counting only the distinct ones).
The product of its digits is 1512, while the sum is 27.
The square root of 64197 is about 253.3712690895. The cubic root of 64197 is about 40.0409996281.
The spelling of 64197 in words is "sixty-four thousand, one hundred ninety-seven".
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