4556081 has 4 divisors (see below), whose sum is σ = 4560372. Its totient is φ = 4551792.

The previous prime is 4556077. The next prime is 4556089. The reversal of 4556081 is 1806554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1915456 + 2640625 = 1384^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 4556081 - 2² = 4556077 is a prime.

It is a super-2 number, since 2×4556081² = 41515748157122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4556089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755 + ... + 3111.

It is an arithmetic number, because the mean of its divisors is an integer number (1140093).

Almost surely, 2^4556081 is an apocalyptic number.

It is an amenable number.

4556081 is a deficient number, since it is larger than the sum of its proper divisors (4291).

4556081 is a wasteful number, since it uses less digits than its factorization.

4556081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290.

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

The square root of 4556081 is about 2134.4978332151. The cubic root of 4556081 is about 165.7793676972.

The spelling of 4556081 in words is "four million, five hundred fifty-six thousand, eighty-one".