498226997 has 2 divisors, whose sum is σ = 498226998. Its totient is φ = 498226996.

The previous prime is 498226979. The next prime is 498226999. The reversal of 498226997 is 799622894.

Together with previous prime (498226979) 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., 355925956 + 142301041 = 18866^2 + 11929^2 .

It is a cyclic number.

It is not a de Polignac number, because 498226997 - 2⁶ = 498226933 is a prime.

Together with 498226999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498226999) 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, 249113498 + 249113499.

It is an arithmetic number, because the mean of its divisors is an integer number (249113499).

Almost surely, 2^498226997 is an apocalyptic number.

It is an amenable number.

498226997 is a deficient number, since it is larger than the sum of its proper divisors (1).

498226997 is an equidigital number, since it uses as much as digits as its factorization.

498226997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The square root of 498226997 is about 22320.9990143811. Note that the first 3 decimals coincide. The cubic root of 498226997 is about 792.7612592835.

The spelling of 498226997 in words is "four hundred ninety-eight million, two hundred twenty-six thousand, nine hundred ninety-seven".