2565434548 has 12 divisors (see below), whose sum is σ = 4490029152. Its totient is φ = 1282569080.

The previous prime is 2565434539. The next prime is 2565434609. The reversal of 2565434548 is 8454345652.

It is a happy number.

2565434548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2565434498 and 2565434507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7983 + ... + 72073.

It is an arithmetic number, because the mean of its divisors is an integer number (374169096).

Almost surely, 2^2565434548 is an apocalyptic number.

It is an amenable number.

2565434548 is a deficient number, since it is larger than the sum of its proper divisors (1924594604).

2565434548 is a wasteful number, since it uses less digits than its factorization.

2565434548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74102 (or 74100 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 46.

The square root of 2565434548 is about 50650.1189337202. The cubic root of 2565434548 is about 1368.9480884037.

The spelling of 2565434548 in words is "two billion, five hundred sixty-five million, four hundred thirty-four thousand, five hundred forty-eight".