498821273 has 2 divisors, whose sum is σ = 498821274. Its totient is φ = 498821272.

The previous prime is 498821261. The next prime is 498821291. The reversal of 498821273 is 372128894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449779264 + 49042009 = 21208^2 + 7003^2 .

It is a cyclic number.

It is not a de Polignac number, because 498821273 - 2¹⁰ = 498820249 is a prime.

It is not a weakly prime, because it can be changed into another prime (498821233) 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, 249410636 + 249410637.

It is an arithmetic number, because the mean of its divisors is an integer number (249410637).

Almost surely, 2^498821273 is an apocalyptic number.

It is an amenable number.

498821273 is a deficient number, since it is larger than the sum of its proper divisors (1).

498821273 is an equidigital number, since it uses as much as digits as its factorization.

498821273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 498821273 is about 22334.3070857370. The cubic root of 498821273 is about 793.0763310633.

The spelling of 498821273 in words is "four hundred ninety-eight million, eight hundred twenty-one thousand, two hundred seventy-three".