2547873 has 6 divisors (see below), whose sum is σ = 3680274. Its totient is φ = 1698576.

The previous prime is 2547847. The next prime is 2547887. The reversal of 2547873 is 3787452.

It can be written as a sum of positive squares in only one way, i.e., 2108304 + 439569 = 1452^2 + 663^2 .

It is not a de Polignac number, because 2547873 - 2⁹ = 2547361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2547833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141540 + ... + 141557.

It is an arithmetic number, because the mean of its divisors is an integer number (613379).

2^2547873 is an apocalyptic number.

It is an amenable number.

2547873 is a deficient number, since it is larger than the sum of its proper divisors (1132401).

2547873 is a wasteful number, since it uses less digits than its factorization.

2547873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283103 (or 283100 counting only the distinct ones).

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

The square root of 2547873 is about 1596.2058137972. The cubic root of 2547873 is about 136.5817245983.

The spelling of 2547873 in words is "two million, five hundred forty-seven thousand, eight hundred seventy-three".