2566117313 has 8 divisors (see below), whose sum is σ = 2583641568. Its totient is φ = 2548615104.

The previous prime is 2566117303. The next prime is 2566117319. The reversal of 2566117313 is 3137116652.

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-2566117313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2566117319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276281 + ... + 285417.

It is an arithmetic number, because the mean of its divisors is an integer number (322955196).

Almost surely, 2^2566117313 is an apocalyptic number.

It is an amenable number.

2566117313 is a deficient number, since it is larger than the sum of its proper divisors (17524255).

2566117313 is a wasteful number, since it uses less digits than its factorization.

2566117313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11023.

The product of its digits is 22680, while the sum is 35.

The square root of 2566117313 is about 50656.8584991213. The cubic root of 2566117313 is about 1369.0695216241.

The spelling of 2566117313 in words is "two billion, five hundred sixty-six million, one hundred seventeen thousand, three hundred thirteen".