2565751141 has 4 divisors (see below), whose sum is σ = 2566000800. Its totient is φ = 2565501484.

The previous prime is 2565751081. The next prime is 2565751151. The reversal of 2565751141 is 1411575652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2565751141 - 2¹⁵ = 2565718373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2565751141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565751151) 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, 108721 + ... + 130198.

It is an arithmetic number, because the mean of its divisors is an integer number (641500200).

Almost surely, 2^2565751141 is an apocalyptic number.

It is an amenable number.

2565751141 is a deficient number, since it is larger than the sum of its proper divisors (249659).

2565751141 is a wasteful number, since it uses less digits than its factorization.

2565751141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249658.

The product of its digits is 42000, while the sum is 37.

The square root of 2565751141 is about 50653.2441310525. The cubic root of 2565751141 is about 1369.0043987542.

The spelling of 2565751141 in words is "two billion, five hundred sixty-five million, seven hundred fifty-one thousand, one hundred forty-one".