2580427 has 4 divisors (see below), whose sum is σ = 2584296. Its totient is φ = 2576560.

The previous prime is 2580421. The next prime is 2580443. The reversal of 2580427 is 7240852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2580427 - 2³ = 2580419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2580395 and 2580404.

It is not an unprimeable number, because it can be changed into a prime (2580421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649 + ... + 2362.

It is an arithmetic number, because the mean of its divisors is an integer number (646074).

2^2580427 is an apocalyptic number.

2580427 is a deficient number, since it is larger than the sum of its proper divisors (3869).

2580427 is an equidigital number, since it uses as much as digits as its factorization.

2580427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2580427 is about 1606.3707542159. The cubic root of 2580427 is about 137.1609630630.

The spelling of 2580427 in words is "two million, five hundred eighty thousand, four hundred twenty-seven".