266041225 has 24 divisors (see below), whose sum is σ = 342017792. Its totient is φ = 205070400.

The previous prime is 266041183. The next prime is 266041229. The reversal of 266041225 is 522140662.

It is not a de Polignac number, because 266041225 - 2⁹ = 266040713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266041193 and 266041202.

It is not an unprimeable number, because it can be changed into a prime (266041229) 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 23 ways as a sum of consecutive naturals, for example, 218719 + ... + 219931.

Almost surely, 2^266041225 is an apocalyptic number.

266041225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266041225 is a deficient number, since it is larger than the sum of its proper divisors (75976567).

266041225 is a wasteful number, since it uses less digits than its factorization.

266041225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 266041225 is about 16310.7702147998. The cubic root of 266041225 is about 643.1559814014.

Adding to 266041225 its reverse (522140662), we get a palindrome (788181887).

The spelling of 266041225 in words is "two hundred sixty-six million, forty-one thousand, two hundred twenty-five".