5197889 has 2 divisors, whose sum is σ = 5197890. Its totient is φ = 5197888.

The previous prime is 5197879. The next prime is 5197897. The reversal of 5197889 is 9887915.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4986289 + 211600 = 2233^2 + 460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5197889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5197879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2598944 + 2598945.

It is an arithmetic number, because the mean of its divisors is an integer number (2598945).

Almost surely, 2^5197889 is an apocalyptic number.

It is an amenable number.

5197889 is a deficient number, since it is larger than the sum of its proper divisors (1).

5197889 is an equidigital number, since it uses as much as digits as its factorization.

5197889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 47.

The square root of 5197889 is about 2279.8879358425. The cubic root of 5197889 is about 173.2243739110.

The spelling of 5197889 in words is "five million, one hundred ninety-seven thousand, eight hundred eighty-nine".