4520459 has 4 divisors (see below), whose sum is σ = 4577760. Its totient is φ = 4463160.

The previous prime is 4520449. The next prime is 4520497. The reversal of 4520459 is 9540254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9540254 = 2 ⋅4770127.

It is a cyclic number.

It is not a de Polignac number, because 4520459 - 2²⁰ = 3471883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520449) 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, 28532 + ... + 28689.

It is an arithmetic number, because the mean of its divisors is an integer number (1144440).

Almost surely, 2^4520459 is an apocalyptic number.

4520459 is a deficient number, since it is larger than the sum of its proper divisors (57301).

4520459 is an equidigital number, since it uses as much as digits as its factorization.

4520459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57300.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 4520459 is about 2126.1371075262. The cubic root of 4520459 is about 165.3461847053.

The spelling of 4520459 in words is "four million, five hundred twenty thousand, four hundred fifty-nine".