2405485 has 4 divisors (see below), whose sum is σ = 2886588. Its totient is φ = 1924384.

The previous prime is 2405461. The next prime is 2405497. The reversal of 2405485 is 5845042.

2405485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 751689 + 1653796 = 867^2 + 1286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405485 - 2¹⁹ = 1881197 is a prime.

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 240544 + ... + 240553.

It is an arithmetic number, because the mean of its divisors is an integer number (721647).

2^2405485 is an apocalyptic number.

It is an amenable number.

2405485 is a deficient number, since it is larger than the sum of its proper divisors (481103).

2405485 is an equidigital number, since it uses as much as digits as its factorization.

2405485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481102.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2405485 is about 1550.9626043203. The cubic root of 2405485 is about 133.9885079623.

The spelling of 2405485 in words is "two million, four hundred five thousand, four hundred eighty-five".