4585409 has 4 divisors (see below), whose sum is σ = 4596480. Its totient is φ = 4574340.

The previous prime is 4585387. The next prime is 4585411. The reversal of 4585409 is 9045854.

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 a de Polignac number, because none of the positive numbers 2^k-4585409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4585429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4889 + ... + 5750.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^4585409 is an apocalyptic number.

It is an amenable number.

4585409 is a deficient number, since it is larger than the sum of its proper divisors (11071).

4585409 is a wasteful number, since it uses less digits than its factorization.

4585409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11070.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 4585409 is about 2141.3568128642. The cubic root of 4585409 is about 166.1343205672.

It can be divided in two parts, 4585 and 409, that added together give a palindrome (4994).

The spelling of 4585409 in words is "four million, five hundred eighty-five thousand, four hundred nine".