201111325 has 6 divisors (see below), whose sum is σ = 249378074. Its totient is φ = 160889040.

The previous prime is 201111299. The next prime is 201111329. The reversal of 201111325 is 523111102.

It can be written as a sum of positive squares in 3 ways, for example, as 549081 + 200562244 = 741^2 + 14162^2 .

It is not a de Polignac number, because 201111325 - 2⁵ = 201111293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201111299 and 201111308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4022202 + ... + 4022251.

Almost surely, 2^201111325 is an apocalyptic number.

201111325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201111325 is a deficient number, since it is larger than the sum of its proper divisors (48266749).

201111325 is an equidigital number, since it uses as much as digits as its factorization.

201111325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044463 (or 8044458 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 201111325 is about 14181.3724653152. The cubic root of 201111325 is about 585.8847255461.

Adding to 201111325 its reverse (523111102), we get a palindrome (724222427).

The spelling of 201111325 in words is "two hundred one million, one hundred eleven thousand, three hundred twenty-five".