5194489 has 2 divisors, whose sum is σ = 5194490. Its totient is φ = 5194488.

The previous prime is 5194459. The next prime is 5194493. The reversal of 5194489 is 9844915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4875264 + 319225 = 2208^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 5194489 - 2⁵ = 5194457 is a prime.

It is a super-2 number, since 2×5194489² = 53965431942242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5194439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2597244 + 2597245.

It is an arithmetic number, because the mean of its divisors is an integer number (2597245).

Almost surely, 2^5194489 is an apocalyptic number.

It is an amenable number.

5194489 is a deficient number, since it is larger than the sum of its proper divisors (1).

5194489 is an equidigital number, since it uses as much as digits as its factorization.

5194489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 5194489 is about 2279.1421631833. The cubic root of 5194489 is about 173.1865963098.

The spelling of 5194489 in words is "five million, one hundred ninety-four thousand, four hundred eighty-nine".