2565335705 has 32 divisors (see below), whose sum is σ = 3268408320. Its totient is φ = 1928931840.

The previous prime is 2565335701. The next prime is 2565335723. The reversal of 2565335705 is 5075335652.

It is not a de Polignac number, because 2565335705 - 2² = 2565335701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2565335701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3617891 + ... + 3618599.

It is an arithmetic number, because the mean of its divisors is an integer number (102137760).

Almost surely, 2^2565335705 is an apocalyptic number.

It is an amenable number.

2565335705 is a deficient number, since it is larger than the sum of its proper divisors (703072615).

2565335705 is a wasteful number, since it uses less digits than its factorization.

2565335705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 472500, while the sum is 41.

The square root of 2565335705 is about 50649.1431813017. The cubic root of 2565335705 is about 1368.9305068893.

The spelling of 2565335705 in words is "two billion, five hundred sixty-five million, three hundred thirty-five thousand, seven hundred five".