5488981 has 2 divisors, whose sum is σ = 5488982. Its totient is φ = 5488980.

The previous prime is 5488979. The next prime is 5488991. The reversal of 5488981 is 1898845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5336100 + 152881 = 2310^2 + 391^2 .

It is a cyclic number.

It is not a de Polignac number, because 5488981 - 2¹ = 5488979 is a prime.

It is a super-2 number, since 2×5488981² = 60257824836722, which contains 22 as substring.

Together with 5488979, 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 (5488921) 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, 2744490 + 2744491.

It is an arithmetic number, because the mean of its divisors is an integer number (2744491).

Almost surely, 2^5488981 is an apocalyptic number.

It is an amenable number.

5488981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5488981 is an equidigital number, since it uses as much as digits as its factorization.

5488981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 43.

The square root of 5488981 is about 2342.8574433798. The cubic root of 5488981 is about 176.3994564148.

The spelling of 5488981 in words is "five million, four hundred eighty-eight thousand, nine hundred eighty-one".