5298991 has 2 divisors, whose sum is σ = 5298992. Its totient is φ = 5298990.

The previous prime is 5298989. The next prime is 5299001. The reversal of 5298991 is 1998925.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5298991 - 2¹ = 5298989 is a prime.

Together with 5298989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5298911) 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, 2649495 + 2649496.

It is an arithmetic number, because the mean of its divisors is an integer number (2649496).

Almost surely, 2^5298991 is an apocalyptic number.

5298991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5298991 is an equidigital number, since it uses as much as digits as its factorization.

5298991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 43.

The square root of 5298991 is about 2301.9537354169. The cubic root of 5298991 is about 174.3402752418.

The spelling of 5298991 in words is "five million, two hundred ninety-eight thousand, nine hundred ninety-one".