266725481 has 8 divisors (see below), whose sum is σ = 292012128. Its totient is φ = 241612000.

The previous prime is 266725469. The next prime is 266725493. The reversal of 266725481 is 184527662.

It is an interprime number because it is at equal distance from previous prime (266725469) and next prime (266725493).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266725481 is a prime.

It is a super-2 number, since 2×266725481² = 142284964429362722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266715481) 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 7 ways as a sum of consecutive naturals, for example, 40055 + ... + 46236.

It is an arithmetic number, because the mean of its divisors is an integer number (36501516).

Almost surely, 2^266725481 is an apocalyptic number.

It is an amenable number.

266725481 is a deficient number, since it is larger than the sum of its proper divisors (25286647).

266725481 is a wasteful number, since it uses less digits than its factorization.

266725481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86583.

The product of its digits is 161280, while the sum is 41.

The square root of 266725481 is about 16331.7323330993. The cubic root of 266725481 is about 643.7069067707.

The spelling of 266725481 in words is "two hundred sixty-six million, seven hundred twenty-five thousand, four hundred eighty-one".