2565751135 has 4 divisors (see below), whose sum is σ = 3078901368. Its totient is φ = 2052600904.

The previous prime is 2565751081. The next prime is 2565751151. The reversal of 2565751135 is 5311575652.

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

It is a cyclic number.

It is not a de Polignac number, because 2565751135 - 2⁹ = 2565750623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256575109 + ... + 256575118.

It is an arithmetic number, because the mean of its divisors is an integer number (769725342).

Almost surely, 2^2565751135 is an apocalyptic number.

2565751135 is a deficient number, since it is larger than the sum of its proper divisors (513150233).

2565751135 is an equidigital number, since it uses as much as digits as its factorization.

2565751135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513150232.

The product of its digits is 157500, while the sum is 40.

The square root of 2565751135 is about 50653.2440718262. The cubic root of 2565751135 is about 1369.0043976870.

The spelling of 2565751135 in words is "two billion, five hundred sixty-five million, seven hundred fifty-one thousand, one hundred thirty-five".