981473 has 2 divisors, whose sum is σ = 981474. Its totient is φ = 981472.

The previous prime is 981467. The next prime is 981481. The reversal of 981473 is 374189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976144 + 5329 = 988^2 + 73^2 .

It is an emirp because it is prime and its reverse (374189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 981473 - 2¹⁰ = 980449 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981473.

It is not a weakly prime, because it can be changed into another prime (981443) 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, 490736 + 490737.

It is an arithmetic number, because the mean of its divisors is an integer number (490737).

2⁹⁸¹⁴⁷³ is an apocalyptic number.

It is an amenable number.

981473 is a deficient number, since it is larger than the sum of its proper divisors (1).

981473 is an equidigital number, since it uses as much as digits as its factorization.

981473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 981473 is about 990.6931916593. The cubic root of 981473 is about 99.3785797004.

The spelling of 981473 in words is "nine hundred eighty-one thousand, four hundred seventy-three".