266246125 has 16 divisors (see below), whose sum is σ = 335340720. Its totient is φ = 211032000.

The previous prime is 266246119. The next prime is 266246131. The reversal of 266246125 is 521642662.

It is an interprime number because it is at equal distance from previous prime (266246119) and next prime (266246131).

It can be written as a sum of positive squares in 8 ways, for example, as 93954249 + 172291876 = 9693^2 + 13126^2 .

It is not a de Polignac number, because 266246125 - 2⁷ = 266245997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3855 + ... + 23395.

It is an arithmetic number, because the mean of its divisors is an integer number (20958795).

Almost surely, 2^266246125 is an apocalyptic number.

266246125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266246125 is a deficient number, since it is larger than the sum of its proper divisors (69094595).

266246125 is a wasteful number, since it uses less digits than its factorization.

266246125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19665 (or 19655 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 266246125 is about 16317.0501316874. The cubic root of 266246125 is about 643.3210546187.

Adding to 266246125 its reverse (521642662), we get a palindrome (787888787).

The spelling of 266246125 in words is "two hundred sixty-six million, two hundred forty-six thousand, one hundred twenty-five".