4775161 has 4 divisors (see below), whose sum is σ = 4784292. Its totient is φ = 4766032.

The previous prime is 4775159. The next prime is 4775167. The reversal of 4775161 is 1615774.

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 913936 + 3861225 = 956^2 + 1965^2 .

It is a cyclic number.

It is not a de Polignac number, because 4775161 - 2¹ = 4775159 is a prime.

It is an Ulam number.

It is a Duffinian number.

4775161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4775167) by changing a digit.

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, 3730 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (1196073).

Almost surely, 2^4775161 is an apocalyptic number.

It is an amenable number.

4775161 is a deficient number, since it is larger than the sum of its proper divisors (9131).

4775161 is an equidigital number, since it uses as much as digits as its factorization.

4775161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9130.

The product of its digits is 5880, while the sum is 31.

The square root of 4775161 is about 2185.2141771460. The cubic root of 4775161 is about 168.3950571498.

The spelling of 4775161 in words is "four million, seven hundred seventy-five thousand, one hundred sixty-one".