266130825 has 48 divisors (see below), whose sum is σ = 467618880. Its totient is φ = 133297920.

The previous prime is 266130817. The next prime is 266130833. The reversal of 266130825 is 528031662.

It is an interprime number because it is at equal distance from previous prime (266130817) and next prime (266130833).

It is not a de Polignac number, because 266130825 - 2³ = 266130817 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 78822 + ... + 82128.

It is an arithmetic number, because the mean of its divisors is an integer number (9742060).

Almost surely, 2^266130825 is an apocalyptic number.

266130825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266130825 is a deficient number, since it is larger than the sum of its proper divisors (201488055).

266130825 is a wasteful number, since it uses less digits than its factorization.

266130825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 266130825 is about 16313.5166349871. The cubic root of 266130825 is about 643.2281761120.

The spelling of 266130825 in words is "two hundred sixty-six million, one hundred thirty thousand, eight hundred twenty-five".