2585555852 has 24 divisors (see below), whose sum is σ = 4983992832. Its totient is φ = 1163840400.

The previous prime is 2585555851. The next prime is 2585555867.

2585555852 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2585555852² = 13370198127622891808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2585555852.

It is not an unprimeable number, because it can be changed into a prime (2585555851) 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, 280724 + ... + 289787.

It is an arithmetic number, because the mean of its divisors is an integer number (207666368).

Almost surely, 2^2585555852 is an apocalyptic number.

2585555852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2585555852 is a deficient number, since it is larger than the sum of its proper divisors (2398436980).

2585555852 is a wasteful number, since it uses less digits than its factorization.

2585555852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570629 (or 570627 counting only the distinct ones).

The product of its digits is 4000000, while the sum is 50.

The square root of 2585555852 is about 50848.3613501950. The cubic root of 2585555852 is about 1372.5177654930.

The spelling of 2585555852 in words is "two billion, five hundred eighty-five million, five hundred fifty-five thousand, eight hundred fifty-two".