247327 has 4 divisors (see below), whose sum is σ = 248976. Its totient is φ = 245680.
The previous prime is 247309. The next prime is 247337. The reversal of 247327 is 723742.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 723742 = 2 ⋅361871.
It is a cyclic number.
It is not a de Polignac number, because 247327 - 211 = 245279 is a prime.
It is a super-2 number, since 2×2473272 = 122341289858, which contains 22 as substring.
It is a Duffinian number.
It is a nialpdrome in base 13.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (247337) 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, 574 + ... + 907.
It is an arithmetic number, because the mean of its divisors is an integer number (62244).
2247327 is an apocalyptic number.
247327 is a deficient number, since it is larger than the sum of its proper divisors (1649).
247327 is a wasteful number, since it uses less digits than its factorization.
247327 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1648.
The product of its digits is 2352, while the sum is 25.
The square root of 247327 is about 497.3198166170. The cubic root of 247327 is about 62.7707295945.
It can be divided in two parts, 2473 and 27, that added together give a square (2500 = 502).
The spelling of 247327 in words is "two hundred forty-seven thousand, three hundred twenty-seven", and thus it is an iban number.
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