2585748605 has 32 divisors (see below), whose sum is σ = 3546201600. Its totient is φ = 1792627200.

The previous prime is 2585748593. The next prime is 2585748611. The reversal of 2585748605 is 5068475852.

It is not a de Polignac number, because 2585748605 - 2¹⁴ = 2585732221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115745 + ... + 136265.

It is an arithmetic number, because the mean of its divisors is an integer number (110818800).

Almost surely, 2^2585748605 is an apocalyptic number.

It is an amenable number.

2585748605 is a deficient number, since it is larger than the sum of its proper divisors (960452995).

2585748605 is a wasteful number, since it uses less digits than its factorization.

2585748605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20645.

The product of its (nonzero) digits is 2688000, while the sum is 50.

The square root of 2585748605 is about 50850.2566856845. The cubic root of 2585748605 is about 1372.5518716786.

The spelling of 2585748605 in words is "two billion, five hundred eighty-five million, seven hundred forty-eight thousand, six hundred five".