2585012705 has 8 divisors (see below), whose sum is σ = 3384016704. Its totient is φ = 1880009200.

The previous prime is 2585012687. The next prime is 2585012713. The reversal of 2585012705 is 5072105852.

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

It is not a de Polignac number, because 2585012705 - 2¹² = 2585008609 is a prime.

It is a super-2 number, since 2×2585012705² = 13364581370022834050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

2585012705 is a modest number, since divided by 12705 gives 2585 as remainder.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23500061 + ... + 23500170.

It is an arithmetic number, because the mean of its divisors is an integer number (423002088).

Almost surely, 2^2585012705 is an apocalyptic number.

It is an amenable number.

2585012705 is a deficient number, since it is larger than the sum of its proper divisors (799003999).

2585012705 is a wasteful number, since it uses less digits than its factorization.

2585012705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47000247.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 2585012705 is about 50843.0202191019. The cubic root of 2585012705 is about 1372.4216506204.

The spelling of 2585012705 in words is "two billion, five hundred eighty-five million, twelve thousand, seven hundred five".