2578341 has 4 divisors (see below), whose sum is σ = 3437792. Its totient is φ = 1718892.

The previous prime is 2578297. The next prime is 2578343. The reversal of 2578341 is 1438752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2578341 - 2¹¹ = 2576293 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2578299 and 2578308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429721 + ... + 429726.

It is an arithmetic number, because the mean of its divisors is an integer number (859448).

2^2578341 is an apocalyptic number.

It is an amenable number.

2578341 is a deficient number, since it is larger than the sum of its proper divisors (859451).

2578341 is an equidigital number, since it uses as much as digits as its factorization.

2578341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859450.

The product of its digits is 6720, while the sum is 30.

The square root of 2578341 is about 1605.7213332331. The cubic root of 2578341 is about 137.1239930961.

The spelling of 2578341 in words is "two million, five hundred seventy-eight thousand, three hundred forty-one".