2578112 has 14 divisors (see below), whose sum is σ = 5116068. Its totient is φ = 1289024.

The previous prime is 2578111. The next prime is 2578117. The reversal of 2578112 is 2118752.

It is a super-2 number, since 2×2578112² = 13293322969088, which contains 22 as substring.

It is an Ulam number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20078 + ... + 20205.

2^2578112 is an apocalyptic number.

It is an amenable number.

2578112 is a deficient number, since it is larger than the sum of its proper divisors (2537956).

2578112 is an equidigital number, since it uses as much as digits as its factorization.

2578112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40295 (or 40285 counting only the distinct ones).

The product of its digits is 1120, while the sum is 26.

The square root of 2578112 is about 1605.6500241335. The cubic root of 2578112 is about 137.1199333377.

The spelling of 2578112 in words is "two million, five hundred seventy-eight thousand, one hundred twelve".