5259139 has 4 divisors (see below), whose sum is σ = 5331256. Its totient is φ = 5187024.

The previous prime is 5259127. The next prime is 5259151. The reversal of 5259139 is 9319525.

It is a happy number.

5259139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5259127) and next prime (5259151).

It is a cyclic number.

It is not a de Polignac number, because 5259139 - 2⁷ = 5259011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5259169) 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, 35949 + ... + 36094.

It is an arithmetic number, because the mean of its divisors is an integer number (1332814).

Almost surely, 2^5259139 is an apocalyptic number.

5259139 is a deficient number, since it is larger than the sum of its proper divisors (72117).

5259139 is an equidigital number, since it uses as much as digits as its factorization.

5259139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72116.

The product of its digits is 12150, while the sum is 34.

The square root of 5259139 is about 2293.2812736339. The cubic root of 5259139 is about 173.9021226956.

The spelling of 5259139 in words is "five million, two hundred fifty-nine thousand, one hundred thirty-nine".