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BaseRepresentation
bin110110111111011011
3102102222100
4312333123
524201433
64454443
71625454
oct667733
9372870
10225243
11144257
12aa423
137b6a5
145c12b
1546b13
hex36fdb

225243 has 12 divisors (see below), whose sum is σ = 336960. Its totient is φ = 144816.

The previous prime is 225241. The next prime is 225257. The reversal of 225243 is 342522.

Adding to 225243 its reverse (342522), we get a palindrome (567765).

225243 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 225243 - 21 = 225241 is a prime.

225243 is a modest number, since divided by 243 gives 225 as remainder.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171 + ... + 692.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2225243 is an apocalyptic number.

225243 is a deficient number, since it is larger than the sum of its proper divisors (111717).

225243 is a wasteful number, since it uses less digits than its factorization.

225243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 895 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 225243 is about 474.5977243940. The cubic root of 225243 is about 60.8439080051.

The spelling of 225243 in words is "two hundred twenty-five thousand, two hundred forty-three".