4775561 has 8 divisors (see below), whose sum is σ = 5471424. Its totient is φ = 4083120.

The previous prime is 4775549. The next prime is 4775569. The reversal of 4775561 is 1655774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4775561 - 2⁶ = 4775497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4775569) 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 7 ways as a sum of consecutive naturals, for example, 3971 + ... + 5031.

It is an arithmetic number, because the mean of its divisors is an integer number (683928).

Almost surely, 2^4775561 is an apocalyptic number.

It is an amenable number.

4775561 is a deficient number, since it is larger than the sum of its proper divisors (695863).

4775561 is a wasteful number, since it uses less digits than its factorization.

4775561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711.

The product of its digits is 29400, while the sum is 35.

The square root of 4775561 is about 2185.3056994389. The cubic root of 4775561 is about 168.3997589907.

The spelling of 4775561 in words is "four million, seven hundred seventy-five thousand, five hundred sixty-one".