2785113 has 6 divisors (see below), whose sum is σ = 4022954. Its totient is φ = 1856736.

The previous prime is 2785099. The next prime is 2785129. The reversal of 2785113 is 3115872.

It can be written as a sum of positive squares in only one way, i.e., 1996569 + 788544 = 1413^2 + 888^2 .

It is not a de Polignac number, because 2785113 - 2⁸ = 2784857 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 7⁷ + 8 + 5⁹ + 1 + 1 + 3⁵ .

It is a Duffinian number.

2785113 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2785313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154720 + ... + 154737.

2^2785113 is an apocalyptic number.

It is an amenable number.

2785113 is a deficient number, since it is larger than the sum of its proper divisors (1237841).

2785113 is a wasteful number, since it uses less digits than its factorization.

2785113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309463 (or 309460 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 2785113 is about 1668.8657825002. The cubic root of 2785113 is about 140.6957374486.

The spelling of 2785113 in words is "two million, seven hundred eighty-five thousand, one hundred thirteen".