225011 has 4 divisors (see below), whose sum is σ = 232800. Its totient is φ = 217224.

The previous prime is 224993. The next prime is 225023. The reversal of 225011 is 110522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225011 - 2⁶ = 224947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224983 and 225001.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225011.

It is not an unprimeable number, because it can be changed into a prime (225061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3851 + ... + 3908.

It is an arithmetic number, because the mean of its divisors is an integer number (58200).

2²²⁵⁰¹¹ is an apocalyptic number.

225011 is a deficient number, since it is larger than the sum of its proper divisors (7789).

225011 is an equidigital number, since it uses as much as digits as its factorization.

225011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7788.

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

The square root of 225011 is about 474.3532439016. The cubic root of 225011 is about 60.8230111132.

Adding to 225011 its reverse (110522), we get a palindrome (335533).

The spelling of 225011 in words is "two hundred twenty-five thousand, eleven".