2578612 has 6 divisors (see below), whose sum is σ = 4512578. Its totient is φ = 1289304.

The previous prime is 2578603. The next prime is 2578621. The reversal of 2578612 is 2168752.

2578612 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 (2578603) and next prime (2578621).

It can be written as a sum of positive squares in only one way, i.e., 2322576 + 256036 = 1524^2 + 506^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 322323 + ... + 322330.

2^2578612 is an apocalyptic number.

It is an amenable number.

2578612 is a deficient number, since it is larger than the sum of its proper divisors (1933966).

2578612 is a wasteful number, since it uses less digits than its factorization.

2578612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644657 (or 644655 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 2578612 is about 1605.8057167665. The cubic root of 2578612 is about 137.1287971284.

The spelling of 2578612 in words is "two million, five hundred seventy-eight thousand, six hundred twelve".