5205817 has 2 divisors, whose sum is σ = 5205818. Its totient is φ = 5205816.

The previous prime is 5205793. The next prime is 5205839. The reversal of 5205817 is 7185025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5089536 + 116281 = 2256^2 + 341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5205817 is a prime.

It is not a weakly prime, because it can be changed into another prime (5205887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602908 + 2602909.

It is an arithmetic number, because the mean of its divisors is an integer number (2602909).

Almost surely, 2^5205817 is an apocalyptic number.

It is an amenable number.

5205817 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205817 is an equidigital number, since it uses as much as digits as its factorization.

5205817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 5205817 is about 2281.6259553222. The cubic root of 5205817 is about 173.3123984414.

The spelling of 5205817 in words is "five million, two hundred five thousand, eight hundred seventeen".