5199917 has 2 divisors, whose sum is σ = 5199918. Its totient is φ = 5199916.

The previous prime is 5199911. The next prime is 5199959. The reversal of 5199917 is 7199915.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3200521 + 1999396 = 1789^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 5199917 - 2⁶ = 5199853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5199911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599958 + 2599959.

It is an arithmetic number, because the mean of its divisors is an integer number (2599959).

Almost surely, 2^5199917 is an apocalyptic number.

It is an amenable number.

5199917 is a deficient number, since it is larger than the sum of its proper divisors (1).

5199917 is an equidigital number, since it uses as much as digits as its factorization.

5199917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25515, while the sum is 41.

The square root of 5199917 is about 2280.3326511718. The cubic root of 5199917 is about 173.2468992960.

It can be divided in two parts, 5199 and 917, that added together give a palindrome (6116).

The spelling of 5199917 in words is "five million, one hundred ninety-nine thousand, nine hundred seventeen".