10811225 has 6 divisors (see below), whose sum is σ = 13405950. Its totient is φ = 8648960.

The previous prime is 10811221. The next prime is 10811231. The reversal of 10811225 is 52211801.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 26569 + 10784656 = 163^2 + 3284^2 .

It is not a de Polignac number, because 10811225 - 2² = 10811221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10811197 and 10811206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10811221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216200 + ... + 216249.

It is an arithmetic number, because the mean of its divisors is an integer number (2234325).

Almost surely, 2^10811225 is an apocalyptic number.

It is an amenable number.

10811225 is a deficient number, since it is larger than the sum of its proper divisors (2594725).

10811225 is an equidigital number, since it uses as much as digits as its factorization.

10811225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432459 (or 432454 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 10811225 is about 3288.0427308659. The cubic root of 10811225 is about 221.1184435017.

The spelling of 10811225 in words is "ten million, eight hundred eleven thousand, two hundred twenty-five".