2565751582 has 16 divisors (see below), whose sum is σ = 3876309360. Its totient is φ = 1273669632.

The previous prime is 2565751567. The next prime is 2565751589. The reversal of 2565751582 is 2851575652.

2565751582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565751589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261253 + ... + 270895.

It is an arithmetic number, because the mean of its divisors is an integer number (242269335).

Almost surely, 2^2565751582 is an apocalyptic number.

2565751582 is a deficient number, since it is larger than the sum of its proper divisors (1310557778).

2565751582 is a wasteful number, since it uses less digits than its factorization.

2565751582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10587.

The product of its digits is 840000, while the sum is 46.

The square root of 2565751582 is about 50653.2484841792. The cubic root of 2565751582 is about 1369.0044771888.

The spelling of 2565751582 in words is "two billion, five hundred sixty-five million, seven hundred fifty-one thousand, five hundred eighty-two".