275197 has 4 divisors (see below), whose sum is σ = 296380. Its totient is φ = 254016.
The previous prime is 275183. The next prime is 275201. The reversal of 275197 is 791572.
275197 is nontrivially palindromic in base 12.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 168921 + 106276 = 411^2 + 326^2 .
It is a cyclic number.
It is not a de Polignac number, because 275197 - 211 = 273149 is a prime.
It is a Duffinian number.
It is a zygodrome in base 3 and base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (275147) 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 in 3 ways as a sum of consecutive naturals, for example, 10572 + ... + 10597.
It is an arithmetic number, because the mean of its divisors is an integer number (74095).
2275197 is an apocalyptic number.
It is an amenable number.
275197 is a deficient number, since it is larger than the sum of its proper divisors (21183).
275197 is a wasteful number, since it uses less digits than its factorization.
275197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21182.
The product of its digits is 4410, while the sum is 31.
The square root of 275197 is about 524.5922225882. The cubic root of 275197 is about 65.0450969097.
The spelling of 275197 in words is "two hundred seventy-five thousand, one hundred ninety-seven".
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