2485985 has 4 divisors (see below), whose sum is σ = 2983188. Its totient is φ = 1988784.

The previous prime is 2485949. The next prime is 2485991. The reversal of 2485985 is 5895842.

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 824464 + 1661521 = 908^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2485985 - 2¹⁰ = 2484961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 248594 + ... + 248603.

It is an arithmetic number, because the mean of its divisors is an integer number (745797).

2^2485985 is an apocalyptic number.

It is an amenable number.

2485985 is a deficient number, since it is larger than the sum of its proper divisors (497203).

2485985 is an equidigital number, since it uses as much as digits as its factorization.

2485985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497202.

The product of its digits is 115200, while the sum is 41.

The square root of 2485985 is about 1576.7006691189. The cubic root of 2485985 is about 135.4667883364.

The spelling of 2485985 in words is "two million, four hundred eighty-five thousand, nine hundred eighty-five".