2566425755 has 8 divisors (see below), whose sum is σ = 3080084832. Its totient is φ = 2052891328.

The previous prime is 2566425749. The next prime is 2566425769. The reversal of 2566425755 is 5575246652.

2566425755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2566425755 - 2¹² = 2566421659 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22559 + ... + 75111.

It is an arithmetic number, because the mean of its divisors is an integer number (385010604).

Almost surely, 2^2566425755 is an apocalyptic number.

2566425755 is a deficient number, since it is larger than the sum of its proper divisors (513659077).

2566425755 is an equidigital number, since it uses as much as digits as its factorization.

2566425755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62325.

The product of its digits is 2520000, while the sum is 47.

The square root of 2566425755 is about 50659.9028325164. The cubic root of 2566425755 is about 1369.1243725359.

The spelling of 2566425755 in words is "two billion, five hundred sixty-six million, four hundred twenty-five thousand, seven hundred fifty-five".