2587273 has 4 divisors (see below), whose sum is σ = 2786308. Its totient is φ = 2388240.

The previous prime is 2587271. The next prime is 2587279. The reversal of 2587273 is 3727852.

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

It can be written as a sum of positive squares in 2 ways, for example, as 190969 + 2396304 = 437^2 + 1548^2 .

It is a cyclic number.

It is not a de Polignac number, because 2587273 - 2¹ = 2587271 is a prime.

It is the 1609-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2587271) by changing a digit.

It is a nontrivial repunit in base 1608.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99498 + ... + 99523.

It is an arithmetic number, because the mean of its divisors is an integer number (696577).

2^2587273 is an apocalyptic number.

It is an amenable number.

2587273 is a deficient number, since it is larger than the sum of its proper divisors (199035).

2587273 is a wasteful number, since it uses less digits than its factorization.

2587273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199034.

The product of its digits is 23520, while the sum is 34.

The square root of 2587273 is about 1608.5002331364. The cubic root of 2587273 is about 137.2821542156.

The spelling of 2587273 in words is "two million, five hundred eighty-seven thousand, two hundred seventy-three".