2539873 has 8 divisors (see below), whose sum is σ = 2926592. Its totient is φ = 2159136.

The previous prime is 2539871. The next prime is 2539951. The reversal of 2539873 is 3789352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2539873 - 2¹ = 2539871 is a prime.

It is a super-2 number, since 2×2539873² = 12901909712258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2539871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (365824).

2^2539873 is an apocalyptic number.

It is an amenable number.

2539873 is a deficient number, since it is larger than the sum of its proper divisors (386719).

2539873 is a wasteful number, since it uses less digits than its factorization.

2539873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991.

The product of its digits is 45360, while the sum is 37.

The square root of 2539873 is about 1593.6979011092. The cubic root of 2539873 is about 136.4386249234.

The spelling of 2539873 in words is "two million, five hundred thirty-nine thousand, eight hundred seventy-three".