4551000565 has 4 divisors (see below), whose sum is σ = 5461200684. Its totient is φ = 3640800448.

The previous prime is 4551000563. The next prime is 4551000581. The reversal of 4551000565 is 5650001554.

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 2371884804 + 2179115761 = 48702^2 + 46681^2 .

It is a cyclic number.

It is not a de Polignac number, because 4551000565 - 2¹ = 4551000563 is a prime.

It is a super-2 number, since 2×4551000565² = 41423212285260638450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551000563) 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, 455100052 + ... + 455100061.

It is an arithmetic number, because the mean of its divisors is an integer number (1365300171).

Almost surely, 2^4551000565 is an apocalyptic number.

It is an amenable number.

4551000565 is a deficient number, since it is larger than the sum of its proper divisors (910200119).

4551000565 is an equidigital number, since it uses as much as digits as its factorization.

4551000565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910200118.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 4551000565 is about 67461.1040896901. The cubic root of 4551000565 is about 1657.1772520588.

The spelling of 4551000565 in words is "four billion, five hundred fifty-one million, five hundred sixty-five", and thus it is an aban number.