5258609 has 4 divisors (see below), whose sum is σ = 5267316. Its totient is φ = 5249904.

The previous prime is 5258579. The next prime is 5258633. The reversal of 5258609 is 9068525.

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 2650384 + 2608225 = 1628^2 + 1615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5258609 is a prime.

It is a super-2 number, since 2×5258609² = 55305937229762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5258639) 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, 3374 + ... + 4679.

It is an arithmetic number, because the mean of its divisors is an integer number (1316829).

Almost surely, 2^5258609 is an apocalyptic number.

It is an amenable number.

5258609 is a deficient number, since it is larger than the sum of its proper divisors (8707).

5258609 is an equidigital number, since it uses as much as digits as its factorization.

5258609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 5258609 is about 2293.1657157737. The cubic root of 5258609 is about 173.8962807240.

The spelling of 5258609 in words is "five million, two hundred fifty-eight thousand, six hundred nine".