2587427 has 4 divisors (see below), whose sum is σ = 2595576. Its totient is φ = 2579280.

The previous prime is 2587423. The next prime is 2587441. The reversal of 2587427 is 7247852.

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 2587427 - 2² = 2587423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2587421) 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, 3578 + ... + 4239.

It is an arithmetic number, because the mean of its divisors is an integer number (648894).

2^2587427 is an apocalyptic number.

2587427 is a deficient number, since it is larger than the sum of its proper divisors (8149).

2587427 is an equidigital number, since it uses as much as digits as its factorization.

2587427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148.

The product of its digits is 31360, while the sum is 35.

The square root of 2587427 is about 1608.5481031042. The cubic root of 2587427 is about 137.2848779369.

The spelling of 2587427 in words is "two million, five hundred eighty-seven thousand, four hundred twenty-seven".