5198689 has 2 divisors, whose sum is σ = 5198690. Its totient is φ = 5198688.

The previous prime is 5198681. The next prime is 5198693. The reversal of 5198689 is 9868915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 289 = 2280^2 + 17^2 .

It is a cyclic number.

It is not a de Polignac number, because 5198689 - 2³ = 5198681 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5198681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599344 + 2599345.

It is an arithmetic number, because the mean of its divisors is an integer number (2599345).

Almost surely, 2^5198689 is an apocalyptic number.

It is an amenable number.

5198689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5198689 is an equidigital number, since it uses as much as digits as its factorization.

5198689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 46.

The square root of 5198689 is about 2280.0633763122. The cubic root of 5198689 is about 173.2332603641.

The spelling of 5198689 in words is "five million, one hundred ninety-eight thousand, six hundred eighty-nine".