5498921 has 2 divisors, whose sum is σ = 5498922. Its totient is φ = 5498920.

The previous prime is 5498917. The next prime is 5498929. The reversal of 5498921 is 1298945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5456896 + 42025 = 2336^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 5498921 - 2² = 5498917 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (5498929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2749460 + 2749461.

It is an arithmetic number, because the mean of its divisors is an integer number (2749461).

Almost surely, 2^5498921 is an apocalyptic number.

It is an amenable number.

5498921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5498921 is an equidigital number, since it uses as much as digits as its factorization.

5498921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 5498921 is about 2344.9778250551. The cubic root of 5498921 is about 176.5058728421.

The spelling of 5498921 in words is "five million, four hundred ninety-eight thousand, nine hundred twenty-one".