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11225 = 52449
BaseRepresentation
bin10101111011001
3120101202
42233121
5324400
6123545
744504
oct25731
916352
1011225
118485
1265b5
135156
14413b
1534d5
hex2bd9

11225 has 6 divisors (see below), whose sum is σ = 13950. Its totient is φ = 8960.

The previous prime is 11213. The next prime is 11239. The reversal of 11225 is 52211.

Adding to 11225 its sum of digits (11), we get a square (11236 = 1062).

Adding to 11225 its reverse (52211), we get a palindrome (63436).

11225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1024 + 10201 = 32^2 + 101^2 .

It is not a de Polignac number, because 11225 - 26 = 11161 is a prime.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200 + ... + 249.

It is an arithmetic number, because the mean of its divisors is an integer number (2325).

211225 is an apocalyptic number.

It is an amenable number.

11225 is a deficient number, since it is larger than the sum of its proper divisors (2725).

11225 is an equidigital number, since it uses as much as digits as its factorization.

11225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 454 counting only the distinct ones).

The product of its digits is 20, while the sum is 11.

The square root of 11225 is about 105.9481005021. The cubic root of 11225 is about 22.3904136276.

The spelling of 11225 in words is "eleven thousand, two hundred twenty-five".

Divisors: 1 5 25 449 2245 11225