427275 has 30 divisors (see below), whose sum is σ = 795212. Its totient is φ = 226800.
The previous prime is 427249. The next prime is 427279. The reversal of 427275 is 572724.
427275 is nontrivially palindromic in base 2.
It is not a de Polignac number, because 427275 - 25 = 427243 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a nialpdrome in base 9.
It is not an unprimeable number, because it can be changed into a prime (427279) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1920 + ... + 2130.
2427275 is an apocalyptic number.
427275 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
427275 is a deficient number, since it is larger than the sum of its proper divisors (367937).
427275 is a wasteful number, since it uses less digits than its factorization.
427275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 233 (or 219 counting only the distinct ones).
The product of its digits is 3920, while the sum is 27.
The square root of 427275 is about 653.6627570850. The cubic root of 427275 is about 75.3186442936.
Adding to 427275 its reverse (572724), we get a palindrome (999999).
It can be divided in two parts, 4272 and 75, that multiplied together give a triangular number (320400 = T800).
The spelling of 427275 in words is "four hundred twenty-seven thousand, two hundred seventy-five".
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