5206409 has 8 divisors (see below), whose sum is σ = 5624640. Its totient is φ = 4790736.

The previous prime is 5206393. The next prime is 5206417. The reversal of 5206409 is 9046025.

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 5206409 - 2⁴ = 5206393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5206459) 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, 7724 + ... + 8370.

It is an arithmetic number, because the mean of its divisors is an integer number (703080).

Almost surely, 2^5206409 is an apocalyptic number.

It is an amenable number.

5206409 is a deficient number, since it is larger than the sum of its proper divisors (418231).

5206409 is a wasteful number, since it uses less digits than its factorization.

5206409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 5206409 is about 2281.7556836787. The cubic root of 5206409 is about 173.3189678265.

The spelling of 5206409 in words is "five million, two hundred six thousand, four hundred nine".