2731285 has 8 divisors (see below), whose sum is σ = 3298176. Its totient is φ = 2171280.

The previous prime is 2731279. The next prime is 2731291. The reversal of 2731285 is 5821372.

2731285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2731279) and next prime (2731291).

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

It is not a de Polignac number, because 2731285 - 2³ = 2731277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801 + ... + 2470.

It is an arithmetic number, because the mean of its divisors is an integer number (412272).

2^2731285 is an apocalyptic number.

It is an amenable number.

2731285 is a deficient number, since it is larger than the sum of its proper divisors (566891).

2731285 is a wasteful number, since it uses less digits than its factorization.

2731285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443.

The product of its digits is 3360, while the sum is 28.

The square root of 2731285 is about 1652.6599771278. The cubic root of 2731285 is about 139.7834236382.

The spelling of 2731285 in words is "two million, seven hundred thirty-one thousand, two hundred eighty-five".