266317125 has 48 divisors (see below), whose sum is σ = 458527680. Its totient is φ = 137268000.

The previous prime is 266317111. The next prime is 266317127. The reversal of 266317125 is 521713662.

It is not a de Polignac number, because 266317125 - 2⁹ = 266316613 is a prime.

It is a super-2 number, since 2×266317125² = 141849622136531250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266317127) 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 47 ways as a sum of consecutive naturals, for example, 360006 + ... + 360744.

It is an arithmetic number, because the mean of its divisors is an integer number (9552660).

Almost surely, 2^266317125 is an apocalyptic number.

266317125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266317125 is a deficient number, since it is larger than the sum of its proper divisors (192210555).

266317125 is an equidigital number, since it uses as much as digits as its factorization.

266317125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 778 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 266317125 is about 16319.2256250105. The cubic root of 266317125 is about 643.3782344623.

The spelling of 266317125 in words is "two hundred sixty-six million, three hundred seventeen thousand, one hundred twenty-five".