998441053 has 2 divisors, whose sum is σ = 998441054. Its totient is φ = 998441052.

The previous prime is 998441047. The next prime is 998441077. The reversal of 998441053 is 350144899.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962116324 + 36324729 = 31018^2 + 6027^2 .

It is a cyclic number.

It is not a de Polignac number, because 998441053 - 2¹⁷ = 998309981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998441033) 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, 499220526 + 499220527.

It is an arithmetic number, because the mean of its divisors is an integer number (499220527).

Almost surely, 2^998441053 is an apocalyptic number.

It is an amenable number.

998441053 is a deficient number, since it is larger than the sum of its proper divisors (1).

998441053 is an equidigital number, since it uses as much as digits as its factorization.

998441053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 998441053 is about 31598.1178711644. The cubic root of 998441053 is about 999.4800807308.

The spelling of 998441053 in words is "nine hundred ninety-eight million, four hundred forty-one thousand, fifty-three".