498115291 has 4 divisors (see below), whose sum is σ = 498808800. Its totient is φ = 497421784.

The previous prime is 498115271. The next prime is 498115307. The reversal of 498115291 is 192511894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 192511894 = 2 ⋅96255947.

It is a cyclic number.

It is not a de Polignac number, because 498115291 - 2⁹ = 498114779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498115271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345676 + ... + 347113.

It is an arithmetic number, because the mean of its divisors is an integer number (124702200).

Almost surely, 2^498115291 is an apocalyptic number.

498115291 is a deficient number, since it is larger than the sum of its proper divisors (693509).

498115291 is an equidigital number, since it uses as much as digits as its factorization.

498115291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693508.

The product of its digits is 25920, while the sum is 40.

The square root of 498115291 is about 22318.4966115552. The cubic root of 498115291 is about 792.7020073033.

The spelling of 498115291 in words is "four hundred ninety-eight million, one hundred fifteen thousand, two hundred ninety-one".