999941297 has 2 divisors, whose sum is σ = 999941298. Its totient is φ = 999941296.

The previous prime is 999941279. The next prime is 999941311. The reversal of 999941297 is 792149999.

Together with previous prime (999941279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 979001521 + 20939776 = 31289^2 + 4576^2 .

It is a cyclic number.

It is not a de Polignac number, because 999941297 - 2¹⁰ = 999940273 is a prime.

It is not a weakly prime, because it can be changed into another prime (999941597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499970648 + 499970649.

It is an arithmetic number, because the mean of its divisors is an integer number (499970649).

Almost surely, 2^999941297 is an apocalyptic number.

It is an amenable number.

999941297 is a deficient number, since it is larger than the sum of its proper divisors (1).

999941297 is an equidigital number, since it uses as much as digits as its factorization.

999941297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3306744, while the sum is 59.

The square root of 999941297 is about 31621.8484121343. The cubic root of 999941297 is about 999.9804319504.

The spelling of 999941297 in words is "nine hundred ninety-nine million, nine hundred forty-one thousand, two hundred ninety-seven".