498992171 has 2 divisors, whose sum is σ = 498992172. Its totient is φ = 498992170.

The previous prime is 498992149. The next prime is 498992201. The reversal of 498992171 is 171299894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 498992171 - 2¹⁰ = 498991147 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (498992141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249496085 + 249496086.

It is an arithmetic number, because the mean of its divisors is an integer number (249496086).

Almost surely, 2^498992171 is an apocalyptic number.

498992171 is a deficient number, since it is larger than the sum of its proper divisors (1).

498992171 is an equidigital number, since it uses as much as digits as its factorization.

498992171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 50.

The square root of 498992171 is about 22338.1326659146. The cubic root of 498992171 is about 793.1668910099.

The spelling of 498992171 in words is "four hundred ninety-eight million, nine hundred ninety-two thousand, one hundred seventy-one".