272245 has 4 divisors (see below), whose sum is σ = 326700. Its totient is φ = 217792.
The previous prime is 272231. The next prime is 272249. The reversal of 272245 is 542272.
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 192721 + 79524 = 439^2 + 282^2 .
It is a cyclic number.
It is not a de Polignac number, because 272245 - 213 = 264053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (272249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27220 + ... + 27229.
It is an arithmetic number, because the mean of its divisors is an integer number (81675).
2272245 is an apocalyptic number.
It is an amenable number.
272245 is a deficient number, since it is larger than the sum of its proper divisors (54455).
272245 is an equidigital number, since it uses as much as digits as its factorization.
272245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54454.
The product of its digits is 1120, while the sum is 22.
The square root of 272245 is about 521.7710225760. The cubic root of 272245 is about 64.8116837389.
The spelling of 272245 in words is "two hundred seventy-two thousand, two hundred forty-five".
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