2585212818 has 32 divisors (see below), whose sum is σ = 5269335360. Its totient is φ = 845328960.

The previous prime is 2585212813. The next prime is 2585212823. The reversal of 2585212818 is 8182125852.

2585212818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2585212813) and next prime (2585212823).

It is a super-2 number, since 2×2585212818² = 13366650628703002248, 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 2585212818.

It is not an unprimeable number, because it can be changed into a prime (2585212813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129396 + ... + 148032.

It is an arithmetic number, because the mean of its divisors is an integer number (164666730).

Almost surely, 2^2585212818 is an apocalyptic number.

2585212818 is an abundant number, since it is smaller than the sum of its proper divisors (2684122542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2585212818 is a wasteful number, since it uses less digits than its factorization.

2585212818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19082.

The product of its digits is 102400, while the sum is 42.

The square root of 2585212818 is about 50844.9881305916. The cubic root of 2585212818 is about 1372.4570640282.

The spelling of 2585212818 in words is "two billion, five hundred eighty-five million, two hundred twelve thousand, eight hundred eighteen".