5056509 has 4 divisors (see below), whose sum is σ = 6742016. Its totient is φ = 3371004.

The previous prime is 5056501. The next prime is 5056517. The reversal of 5056509 is 9056505.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (5056501) and next prime (5056517).

It is not a de Polignac number, because 5056509 - 2³ = 5056501 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

5056509 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5056501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842749 + ... + 842754.

It is an arithmetic number, because the mean of its divisors is an integer number (1685504).

Almost surely, 2^5056509 is an apocalyptic number.

It is an amenable number.

5056509 is a deficient number, since it is larger than the sum of its proper divisors (1685507).

5056509 is a wasteful number, since it uses less digits than its factorization.

5056509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685506.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 5056509 is about 2248.6682725560. The cubic root of 5056509 is about 171.6393764811.

It can be divided in two parts, 5056 and 509, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 5056509 in words is "five million, fifty-six thousand, five hundred nine".