2585531005 has 8 divisors (see below), whose sum is σ = 3148945632. Its totient is φ = 2037552528.

The previous prime is 2585530991. The next prime is 2585531021. The reversal of 2585531005 is 5001355852.

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

It is a cyclic number.

It is not a de Polignac number, because 2585531005 - 2⁵ = 2585530973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3858667 + ... + 3859336.

It is an arithmetic number, because the mean of its divisors is an integer number (393618204).

Almost surely, 2^2585531005 is an apocalyptic number.

It is an amenable number.

2585531005 is a deficient number, since it is larger than the sum of its proper divisors (563414627).

2585531005 is an equidigital number, since it uses as much as digits as its factorization.

2585531005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718075.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 2585531005 is about 50848.1170251171. The cubic root of 2585531005 is about 1372.5133688809.

Adding to 2585531005 its reverse (5001355852), we get a palindrome (7586886857).

The spelling of 2585531005 in words is "two billion, five hundred eighty-five million, five hundred thirty-one thousand, five".