2565017073 has 12 divisors (see below), whose sum is σ = 3733309008. Its totient is φ = 1696957080.

The previous prime is 2565017053. The next prime is 2565017083. The reversal of 2565017073 is 3707105652.

2565017073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2565017073 - 2⁶ = 2565017009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2565017033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1086615 + ... + 1088972.

It is an arithmetic number, because the mean of its divisors is an integer number (311109084).

Almost surely, 2^2565017073 is an apocalyptic number.

It is an amenable number.

2565017073 is a deficient number, since it is larger than the sum of its proper divisors (1168291935).

2565017073 is a wasteful number, since it uses less digits than its factorization.

2565017073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175724 (or 2175721 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 2565017073 is about 50645.9976009951. The cubic root of 2565017073 is about 1368.8738277414.

The spelling of 2565017073 in words is "two billion, five hundred sixty-five million, seventeen thousand, seventy-three".