266253625 has 32 divisors (see below), whose sum is σ = 367016832. Its totient is φ = 191224000.

The previous prime is 266253601. The next prime is 266253629. The reversal of 266253625 is 526352662.

It is not a de Polignac number, because 266253625 - 2¹¹ = 266251577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266253629) 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 31 ways as a sum of consecutive naturals, for example, 112959 + ... + 115291.

It is an arithmetic number, because the mean of its divisors is an integer number (11469276).

Almost surely, 2^266253625 is an apocalyptic number.

266253625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266253625 is a deficient number, since it is larger than the sum of its proper divisors (100763207).

266253625 is a wasteful number, since it uses less digits than its factorization.

266253625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2432 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 266253625 is about 16317.2799510212. The cubic root of 266253625 is about 643.3270952232.

The spelling of 266253625 in words is "two hundred sixty-six million, two hundred fifty-three thousand, six hundred twenty-five".