4645565 has 4 divisors (see below), whose sum is σ = 5574684. Its totient is φ = 3716448.

The previous prime is 4645561. The next prime is 4645583. The reversal of 4645565 is 5655464.

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 811801 + 3833764 = 901^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645565 - 2² = 4645561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464552 + ... + 464561.

It is an arithmetic number, because the mean of its divisors is an integer number (1393671).

Almost surely, 2^4645565 is an apocalyptic number.

It is an amenable number.

4645565 is a deficient number, since it is larger than the sum of its proper divisors (929119).

4645565 is an equidigital number, since it uses as much as digits as its factorization.

4645565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929118.

The product of its digits is 72000, while the sum is 35.

The square root of 4645565 is about 2155.3572789679. The cubic root of 4645565 is about 166.8576721290.

The spelling of 4645565 in words is "four million, six hundred forty-five thousand, five hundred sixty-five".