5259439 has 8 divisors (see below), whose sum is σ = 5534928. Its totient is φ = 4991040.

The previous prime is 5259427. The next prime is 5259473. The reversal of 5259439 is 9349525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5259439 - 2⁵ = 5259407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a d-powerful number, because it can be written as 5⁴ + 2²² + 5⁴ + 9⁴ + 4¹⁰ + 3⁷ + 9⁴ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5259398 and 5259407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5254439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217 + ... + 3250.

It is an arithmetic number, because the mean of its divisors is an integer number (691866).

Almost surely, 2^5259439 is an apocalyptic number.

5259439 is a deficient number, since it is larger than the sum of its proper divisors (275489).

5259439 is a wasteful number, since it uses less digits than its factorization.

5259439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545.

The product of its digits is 48600, while the sum is 37.

The square root of 5259439 is about 2293.3466811627. The cubic root of 5259439 is about 173.9054292980.

The spelling of 5259439 in words is "five million, two hundred fifty-nine thousand, four hundred thirty-nine".