4821775 has 24 divisors (see below), whose sum is σ = 6963840. Its totient is φ = 3243360.

The previous prime is 4821769. The next prime is 4821779. The reversal of 4821775 is 5771284.

It is a happy number.

It is not a de Polignac number, because 4821775 - 2³ = 4821767 is a prime.

4821775 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4821775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821779) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10092 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (290160).

Almost surely, 2^4821775 is an apocalyptic number.

4821775 is a deficient number, since it is larger than the sum of its proper divisors (2142065).

4821775 is a wasteful number, since it uses less digits than its factorization.

4821775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 538 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 4821775 is about 2195.8540479731. The cubic root of 4821775 is about 168.9412281194.

The spelling of 4821775 in words is "four million, eight hundred twenty-one thousand, seven hundred seventy-five".