2566534255 has 4 divisors (see below), whose sum is σ = 3079841112. Its totient is φ = 2053227400.

The previous prime is 2566534253. The next prime is 2566534261. The reversal of 2566534255 is 5524356652.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2566534255 - 2¹ = 2566534253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566534253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256653421 + ... + 256653430.

It is an arithmetic number, because the mean of its divisors is an integer number (769960278).

Almost surely, 2^2566534255 is an apocalyptic number.

2566534255 is a deficient number, since it is larger than the sum of its proper divisors (513306857).

2566534255 is an equidigital number, since it uses as much as digits as its factorization.

2566534255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513306856.

The product of its digits is 1080000, while the sum is 43.

The square root of 2566534255 is about 50660.9736878398. The cubic root of 2566534255 is about 1369.1436662821.

The spelling of 2566534255 in words is "two billion, five hundred sixty-six million, five hundred thirty-four thousand, two hundred fifty-five".