4544561 has 16 divisors (see below), whose sum is σ = 5475840. Its totient is φ = 3689280.

The previous prime is 4544557. The next prime is 4544567. The reversal of 4544561 is 1654454.

It is not a de Polignac number, because 4544561 - 2² = 4544557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4544567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12200 + ... + 12566.

It is an arithmetic number, because the mean of its divisors is an integer number (342240).

Almost surely, 2^4544561 is an apocalyptic number.

It is an amenable number.

4544561 is a deficient number, since it is larger than the sum of its proper divisors (931279).

4544561 is a wasteful number, since it uses less digits than its factorization.

4544561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its digits is 9600, while the sum is 29.

The square root of 4544561 is about 2131.7975982724. The cubic root of 4544561 is about 165.6395260073.

The spelling of 4544561 in words is "four million, five hundred forty-four thousand, five hundred sixty-one".