2578795 has 8 divisors (see below), whose sum is σ = 3106224. Its totient is φ = 2055264.

The previous prime is 2578787. The next prime is 2578799. The reversal of 2578795 is 5978752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2578795 - 2³ = 2578787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2578799) 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 7 ways as a sum of consecutive naturals, for example, 772 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (388278).

2^2578795 is an apocalyptic number.

2578795 is a deficient number, since it is larger than the sum of its proper divisors (527429).

2578795 is a wasteful number, since it uses less digits than its factorization.

2578795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its digits is 176400, while the sum is 43.

The square root of 2578795 is about 1605.8626964968. The cubic root of 2578795 is about 137.1320409893.

Subtracting from 2578795 its sum of digits (43), we obtain a palindrome (2578752).

The spelling of 2578795 in words is "two million, five hundred seventy-eight thousand, seven hundred ninety-five".