4524985 has 4 divisors (see below), whose sum is σ = 5429988. Its totient is φ = 3619984.

The previous prime is 4524959. The next prime is 4524991. The reversal of 4524985 is 5894254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5894254 = 2 ⋅2947127.

It can be written as a sum of positive squares in 2 ways, for example, as 2396304 + 2128681 = 1548^2 + 1459^2 .

It is a cyclic number.

It is not a de Polignac number, because 4524985 - 2⁷ = 4524857 is a prime.

It is a Duffinian 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, 452494 + ... + 452503.

It is an arithmetic number, because the mean of its divisors is an integer number (1357497).

Almost surely, 2^4524985 is an apocalyptic number.

It is an amenable number.

4524985 is a deficient number, since it is larger than the sum of its proper divisors (905003).

4524985 is an equidigital number, since it uses as much as digits as its factorization.

4524985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905002.

The product of its digits is 57600, while the sum is 37.

The square root of 4524985 is about 2127.2012128616. The cubic root of 4524985 is about 165.4013492519.

The spelling of 4524985 in words is "four million, five hundred twenty-four thousand, nine hundred eighty-five".