4255589 has 10 divisors (see below), whose sum is σ = 4641150. Its totient is φ = 3901872.

The previous prime is 4255583. The next prime is 4255591. The reversal of 4255589 is 9855524.

4255589 = 67² + 68² + ... + 235².

It can be written as a sum of positive squares in 5 ways, for example, as 4120900 + 134689 = 2030^2 + 367^2 .

It is not a de Polignac number, because 4255589 - 2¹² = 4251493 is a prime.

It is a super-2 number, since 2×4255589² = 36220075473842, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255583) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28487 + ... + 28635.

It is an arithmetic number, because the mean of its divisors is an integer number (464115).

Almost surely, 2^4255589 is an apocalyptic number.

It is an amenable number.

4255589 is a deficient number, since it is larger than the sum of its proper divisors (385561).

4255589 is an frugal number, since it uses more digits than its factorization.

4255589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 162 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

The square root of 4255589 is about 2062.9078990590. The cubic root of 4255589 is about 162.0515636296.

The spelling of 4255589 in words is "four million, two hundred fifty-five thousand, five hundred eighty-nine".