266248713 has 32 divisors (see below), whose sum is σ = 398760192. Its totient is φ = 157175040.

The previous prime is 266248709. The next prime is 266248721. The reversal of 266248713 is 317842662.

It is a happy number.

It is not a de Polignac number, because 266248713 - 2² = 266248709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266248753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4364703 + ... + 4364763.

It is an arithmetic number, because the mean of its divisors is an integer number (12461256).

Almost surely, 2^266248713 is an apocalyptic number.

266248713 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

266248713 is a deficient number, since it is larger than the sum of its proper divisors (132511479).

266248713 is an frugal number, since it uses more digits than its factorization.

266248713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 104 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 266248713 is about 16317.1294350446. The cubic root of 266248713 is about 643.3231390428.

The spelling of 266248713 in words is "two hundred sixty-six million, two hundred forty-eight thousand, seven hundred thirteen".