2587473 has 24 divisors (see below), whose sum is σ = 4342208. Its totient is φ = 1454112.

The previous prime is 2587441. The next prime is 2587499. The reversal of 2587473 is 3747852.

2587473 is a `hidden beast` number, since 2 + 587 + 4 + 73 = 666.

It is not a de Polignac number, because 2587473 - 2⁵ = 2587441 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2587423) 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 23 ways as a sum of consecutive naturals, for example, 3915 + ... + 4527.

2^2587473 is an apocalyptic number.

It is an amenable number.

2587473 is a deficient number, since it is larger than the sum of its proper divisors (1754735).

2587473 is a wasteful number, since it uses less digits than its factorization.

2587473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 690 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 2587473 is about 1608.5624016494. The cubic root of 2587473 is about 137.2856914951.

The spelling of 2587473 in words is "two million, five hundred eighty-seven thousand, four hundred seventy-three".