4564081 has 4 divisors (see below), whose sum is σ = 4638964. Its totient is φ = 4489200.

The previous prime is 4564073. The next prime is 4564103. The reversal of 4564081 is 1804654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 893025 + 3671056 = 945^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 4564081 - 2³ = 4564073 is a prime.

It is a super-2 number, since 2×4564081² = 41661670749122, which contains 22 as substring.

It is a Duffinian number.

4564081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4534081) 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, 37350 + ... + 37471.

It is an arithmetic number, because the mean of its divisors is an integer number (1159741).

Almost surely, 2^4564081 is an apocalyptic number.

It is an amenable number.

4564081 is a deficient number, since it is larger than the sum of its proper divisors (74883).

4564081 is an equidigital number, since it uses as much as digits as its factorization.

4564081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74882.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 4564081 is about 2136.3709883819. The cubic root of 4564081 is about 165.8763413503.

The spelling of 4564081 in words is "four million, five hundred sixty-four thousand, eighty-one".