5349989 has 2 divisors, whose sum is σ = 5349990. Its totient is φ = 5349988.

The previous prime is 5349983. The next prime is 5349991. The reversal of 5349989 is 9899435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4264225 + 1085764 = 2065^2 + 1042^2 .

It is a cyclic number.

It is not a de Polignac number, because 5349989 - 2⁸ = 5349733 is a prime.

It is a Sophie Germain prime.

Together with 5349991, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5349983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2674994 + 2674995.

It is an arithmetic number, because the mean of its divisors is an integer number (2674995).

Almost surely, 2^5349989 is an apocalyptic number.

It is an amenable number.

5349989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5349989 is an equidigital number, since it uses as much as digits as its factorization.

5349989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 47.

The square root of 5349989 is about 2313.0043233855. The cubic root of 5349989 is about 174.8977797590.

The spelling of 5349989 in words is "five million, three hundred forty-nine thousand, nine hundred eighty-nine".