2585605047 has 8 divisors (see below), whose sum is σ = 3458488944. Its totient is φ = 1718228928.

The previous prime is 2585605037. The next prime is 2585605049. The reversal of 2585605047 is 7405065852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2585605047 - 2²⁴ = 2568827831 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585605049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375848 + ... + 1377725.

It is an arithmetic number, because the mean of its divisors is an integer number (432311118).

Almost surely, 2^2585605047 is an apocalyptic number.

2585605047 is a deficient number, since it is larger than the sum of its proper divisors (872883897).

2585605047 is a wasteful number, since it uses less digits than its factorization.

2585605047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753889.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 2585605047 is about 50848.8450901296. The cubic root of 2585605047 is about 1372.5264703373.

The spelling of 2585605047 in words is "two billion, five hundred eighty-five million, six hundred five thousand, forty-seven".