266434125 has 16 divisors (see below), whose sum is σ = 443347008. Its totient is φ = 142098000.

The previous prime is 266434121. The next prime is 266434141. The reversal of 266434125 is 521434662.

It is not a de Polignac number, because 266434125 - 2² = 266434121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266434121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354871 + ... + 355620.

It is an arithmetic number, because the mean of its divisors is an integer number (27709188).

Almost surely, 2^266434125 is an apocalyptic number.

266434125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266434125 is a deficient number, since it is larger than the sum of its proper divisors (176912883).

266434125 is an equidigital number, since it uses as much as digits as its factorization.

266434125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710509 (or 710499 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 266434125 is about 16322.8099602979. The cubic root of 266434125 is about 643.4724382337.

Adding to 266434125 its reverse (521434662), we get a palindrome (787868787).

The spelling of 266434125 in words is "two hundred sixty-six million, four hundred thirty-four thousand, one hundred twenty-five".