498117271 has 2 divisors, whose sum is σ = 498117272. Its totient is φ = 498117270.

The previous prime is 498117251. The next prime is 498117283. The reversal of 498117271 is 172711894.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498117271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498117211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249058635 + 249058636.

It is an arithmetic number, because the mean of its divisors is an integer number (249058636).

Almost surely, 2^498117271 is an apocalyptic number.

498117271 is a deficient number, since it is larger than the sum of its proper divisors (1).

498117271 is an equidigital number, since it uses as much as digits as its factorization.

498117271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 40.

The square root of 498117271 is about 22318.5409693376. The cubic root of 498117271 is about 792.7030576277.

The spelling of 498117271 in words is "four hundred ninety-eight million, one hundred seventeen thousand, two hundred seventy-one".