5281607266 has 24 divisors (see below), whose sum is σ = 8590541184. Its totient is φ = 2434302000.

The previous prime is 5281607263. The next prime is 5281607267. The reversal of 5281607266 is 6627061825.

It is not an unprimeable number, because it can be changed into a prime (5281607263) 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 11 ways as a sum of consecutive naturals, for example, 243435 + ... + 264241.

It is an arithmetic number, because the mean of its divisors is an integer number (357939216).

Almost surely, 2^5281607266 is an apocalyptic number.

5281607266 is a deficient number, since it is larger than the sum of its proper divisors (3308933918).

5281607266 is a wasteful number, since it uses less digits than its factorization.

5281607266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21586 (or 21573 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 5281607266 is about 72674.6672919801. The cubic root of 5281607266 is about 1741.4942097332.

The spelling of 5281607266 in words is "five billion, two hundred eighty-one million, six hundred seven thousand, two hundred sixty-six".