2585775005 has 16 divisors (see below), whose sum is σ = 3442392000. Its totient is φ = 1848687360.

The previous prime is 2585775001. The next prime is 2585775013. The reversal of 2585775005 is 5005775852.

It is not a de Polignac number, because 2585775005 - 2² = 2585775001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585775001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395180 + ... + 401669.

It is an arithmetic number, because the mean of its divisors is an integer number (215149500).

Almost surely, 2^2585775005 is an apocalyptic number.

It is an amenable number.

2585775005 is a deficient number, since it is larger than the sum of its proper divisors (856616995).

2585775005 is a wasteful number, since it uses less digits than its factorization.

2585775005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796924.

The product of its (nonzero) digits is 490000, while the sum is 44.

The square root of 2585775005 is about 50850.5162707322. The cubic root of 2585775005 is about 1372.5565428269.

The spelling of 2585775005 in words is "two billion, five hundred eighty-five million, seven hundred seventy-five thousand, five".