2566287361 has 8 divisors (see below), whose sum is σ = 2819728800. Its totient is φ = 2316203040.

The previous prime is 2566287341. The next prime is 2566287443. The reversal of 2566287361 is 1637826652.

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

It is a cyclic number.

It is not a de Polignac number, because 2566287361 - 2²⁹ = 2029416449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2566287301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837676 + ... + 840733.

It is an arithmetic number, because the mean of its divisors is an integer number (352466100).

Almost surely, 2^2566287361 is an apocalyptic number.

It is an amenable number.

2566287361 is a deficient number, since it is larger than the sum of its proper divisors (253441439).

2566287361 is a wasteful number, since it uses less digits than its factorization.

2566287361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678559.

The product of its digits is 725760, while the sum is 46.

The square root of 2566287361 is about 50658.5369014937. The cubic root of 2566287361 is about 1369.0997621734.

The spelling of 2566287361 in words is "two billion, five hundred sixty-six million, two hundred eighty-seven thousand, three hundred sixty-one".