4520089 has 4 divisors (see below), whose sum is σ = 5165824. Its totient is φ = 3874356.

The previous prime is 4520071. The next prime is 4520099. The reversal of 4520089 is 9800254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4520089 - 2¹⁵ = 4487321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520059) 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, 322857 + ... + 322870.

It is an arithmetic number, because the mean of its divisors is an integer number (1291456).

Almost surely, 2^4520089 is an apocalyptic number.

It is an amenable number.

4520089 is a deficient number, since it is larger than the sum of its proper divisors (645735).

4520089 is an equidigital number, since it uses as much as digits as its factorization.

4520089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645734.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 4520089 is about 2126.0500934832. The cubic root of 4520089 is about 165.3416733819.

The spelling of 4520089 in words is "four million, five hundred twenty thousand, eighty-nine".