2578113 has 6 divisors (see below), whose sum is σ = 3723954. Its totient is φ = 1718736.

The previous prime is 2578111. The next prime is 2578117. The reversal of 2578113 is 3118752.

2578113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2471184 + 106929 = 1572^2 + 327^2 .

It is not a de Polignac number, because 2578113 - 2¹ = 2578111 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2578111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143220 + ... + 143237.

It is an arithmetic number, because the mean of its divisors is an integer number (620659).

2^2578113 is an apocalyptic number.

It is an amenable number.

2578113 is a deficient number, since it is larger than the sum of its proper divisors (1145841).

2578113 is a wasteful number, since it uses less digits than its factorization.

2578113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286463 (or 286460 counting only the distinct ones).

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

The square root of 2578113 is about 1605.6503355339. The cubic root of 2578113 is about 137.1199510665.

The spelling of 2578113 in words is "two million, five hundred seventy-eight thousand, one hundred thirteen".