5256039 has 4 divisors (see below), whose sum is σ = 7008056. Its totient is φ = 3504024.

The previous prime is 5256037. The next prime is 5256049. The reversal of 5256039 is 9306525.

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

It is not a de Polignac number, because 5256039 - 2¹ = 5256037 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5255997 and 5256015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256037) 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, 876004 + ... + 876009.

It is an arithmetic number, because the mean of its divisors is an integer number (1752014).

Almost surely, 2^5256039 is an apocalyptic number.

5256039 is a deficient number, since it is larger than the sum of its proper divisors (1752017).

5256039 is a wasteful number, since it uses less digits than its factorization.

5256039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752016.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 5256039 is about 2292.6052865681. The cubic root of 5256039 is about 173.8679471053.

The spelling of 5256039 in words is "five million, two hundred fifty-six thousand, thirty-nine".