2580478 has 8 divisors (see below), whose sum is σ = 4004280. Its totient is φ = 1245720.

The previous prime is 2580469. The next prime is 2580493. The reversal of 2580478 is 8740852.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22188 + ... + 22303.

It is an arithmetic number, because the mean of its divisors is an integer number (500535).

2^2580478 is an apocalyptic number.

2580478 is a deficient number, since it is larger than the sum of its proper divisors (1423802).

2580478 is a wasteful number, since it uses less digits than its factorization.

2580478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44522.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 2580478 is about 1606.3866284304. The cubic root of 2580478 is about 137.1618666812.

The spelling of 2580478 in words is "two million, five hundred eighty thousand, four hundred seventy-eight".