2855585213 has 4 divisors (see below), whose sum is σ = 3075245628. Its totient is φ = 2635924800.

The previous prime is 2855585197. The next prime is 2855585219. The reversal of 2855585213 is 3125855582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3125855582 = 2 ⋅1562927791.

It can be written as a sum of positive squares in 2 ways, for example, as 199007449 + 2656577764 = 14107^2 + 51542^2 .

It is a cyclic number.

It is not a de Polignac number, because 2855585213 - 2⁴ = 2855585197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855585219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109830188 + ... + 109830213.

It is an arithmetic number, because the mean of its divisors is an integer number (768811407).

Almost surely, 2^2855585213 is an apocalyptic number.

It is an amenable number.

2855585213 is a deficient number, since it is larger than the sum of its proper divisors (219660415).

2855585213 is a wasteful number, since it uses less digits than its factorization.

2855585213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219660414.

The product of its digits is 480000, while the sum is 44.

The square root of 2855585213 is about 53437.6759693009. The cubic root of 2855585213 is about 1418.7255001222.

The spelling of 2855585213 in words is "two billion, eight hundred fifty-five million, five hundred eighty-five thousand, two hundred thirteen".