498553117 has 2 divisors, whose sum is σ = 498553118. Its totient is φ = 498553116.

The previous prime is 498553109. The next prime is 498553151. The reversal of 498553117 is 711355894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392277636 + 106275481 = 19806^2 + 10309^2 .

It is a cyclic number.

It is not a de Polignac number, because 498553117 - 2³ = 498553109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498554117) 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, 249276558 + 249276559.

It is an arithmetic number, because the mean of its divisors is an integer number (249276559).

Almost surely, 2^498553117 is an apocalyptic number.

It is an amenable number.

498553117 is a deficient number, since it is larger than the sum of its proper divisors (1).

498553117 is an equidigital number, since it uses as much as digits as its factorization.

498553117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 43.

The square root of 498553117 is about 22328.3030479255. The cubic root of 498553117 is about 792.9341917787.

The spelling of 498553117 in words is "four hundred ninety-eight million, five hundred fifty-three thousand, one hundred seventeen".