272481 has 16 divisors (see below), whose sum is σ = 414720. Its totient is φ = 157520.
The previous prime is 272477. The next prime is 272507. The reversal of 272481 is 184272.
It is not a de Polignac number, because 272481 - 22 = 272477 is a prime.
It is a super-2 number, since 2×2724812 = 148491790722, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (272411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580 + ... + 938.
It is an arithmetic number, because the mean of its divisors is an integer number (25920).
2272481 is an apocalyptic number.
It is an amenable number.
272481 is a deficient number, since it is larger than the sum of its proper divisors (142239).
272481 is a wasteful number, since it uses less digits than its factorization.
272481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 396.
The product of its digits is 896, while the sum is 24.
The square root of 272481 is about 521.9971264289. The cubic root of 272481 is about 64.8304060169.
Subtracting from 272481 its reverse (184272), we obtain a square (88209 = 2972).
The spelling of 272481 in words is "two hundred seventy-two thousand, four hundred eighty-one".
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