5206591 has 8 divisors (see below), whose sum is σ = 5645024. Its totient is φ = 4773600.

The previous prime is 5206571. The next prime is 5206609. The reversal of 5206591 is 1956025.

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

It is not a de Polignac number, because 5206591 - 2¹⁷ = 5075519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206511) 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, 766 + ... + 3316.

It is an arithmetic number, because the mean of its divisors is an integer number (705628).

Almost surely, 2^5206591 is an apocalyptic number.

5206591 is a deficient number, since it is larger than the sum of its proper divisors (438433).

5206591 is a wasteful number, since it uses less digits than its factorization.

5206591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 5206591 is about 2281.7955649006. The cubic root of 5206591 is about 173.3209873685.

The spelling of 5206591 in words is "five million, two hundred six thousand, five hundred ninety-one".