4485561 has 8 divisors (see below), whose sum is σ = 6014880. Its totient is φ = 2973312.

The previous prime is 4485557. The next prime is 4485581. The reversal of 4485561 is 1655844.

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

It is not a de Polignac number, because 4485561 - 2² = 4485557 is a prime.

4485561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4485581) 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, 3640 + ... + 4713.

It is an arithmetic number, because the mean of its divisors is an integer number (751860).

Almost surely, 2^4485561 is an apocalyptic number.

It is an amenable number.

4485561 is a deficient number, since it is larger than the sum of its proper divisors (1529319).

4485561 is a wasteful number, since it uses less digits than its factorization.

4485561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8535.

The product of its digits is 19200, while the sum is 33.

The square root of 4485561 is about 2117.9143042154. The cubic root of 4485561 is about 164.9195935139.

The spelling of 4485561 in words is "four million, four hundred eighty-five thousand, five hundred sixty-one".