4561805 has 16 divisors (see below), whose sum is σ = 5952000. Its totient is φ = 3343680.

The previous prime is 4561801. The next prime is 4561807. The reversal of 4561805 is 5081654.

It is a happy number.

It is not a de Polignac number, because 4561805 - 2² = 4561801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561801) 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, 2171 + ... + 3719.

It is an arithmetic number, because the mean of its divisors is an integer number (372000).

Almost surely, 2^4561805 is an apocalyptic number.

It is an amenable number.

4561805 is a deficient number, since it is larger than the sum of its proper divisors (1390195).

4561805 is a wasteful number, since it uses less digits than its factorization.

4561805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 4561805 is about 2135.8382429388. The cubic root of 4561805 is about 165.8487638872.

The spelling of 4561805 in words is "four million, five hundred sixty-one thousand, eight hundred five".