4427545 has 4 divisors (see below), whose sum is σ = 5313060. Its totient is φ = 3542032.

The previous prime is 4427543. The next prime is 4427587. The reversal of 4427545 is 5457244.

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 1648656 + 2778889 = 1284^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 4427545 - 2¹ = 4427543 is a prime.

It is a d-powerful number, because it can be written as 4² + 4⁶ + 2¹⁷ + 7⁵ + 5⁵ + 4¹¹ + 5⁷ .

It is not an unprimeable number, because it can be changed into a prime (4427543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442750 + ... + 442759.

It is an arithmetic number, because the mean of its divisors is an integer number (1328265).

Almost surely, 2^4427545 is an apocalyptic number.

It is an amenable number.

4427545 is a deficient number, since it is larger than the sum of its proper divisors (885515).

4427545 is an equidigital number, since it uses as much as digits as its factorization.

4427545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885514.

The product of its digits is 22400, while the sum is 31.

The square root of 4427545 is about 2104.1732343132. The cubic root of 4427545 is about 164.2054855365.

The spelling of 4427545 in words is "four million, four hundred twenty-seven thousand, five hundred forty-five".