499807271 has 4 divisors (see below), whose sum is σ = 499869552. Its totient is φ = 499744992.

The previous prime is 499807267. The next prime is 499807277. The reversal of 499807271 is 172708994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172708994 = 2 ⋅86354497.

It is a cyclic number.

It is not a de Polignac number, because 499807271 - 2² = 499807267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499807277) 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, 16946 + ... + 35871.

It is an arithmetic number, because the mean of its divisors is an integer number (124967388).

Almost surely, 2^499807271 is an apocalyptic number.

499807271 is a deficient number, since it is larger than the sum of its proper divisors (62281).

499807271 is an equidigital number, since it uses as much as digits as its factorization.

499807271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62280.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 499807271 is about 22356.3698081777. The cubic root of 499807271 is about 793.5985334726.

The spelling of 499807271 in words is "four hundred ninety-nine million, eight hundred seven thousand, two hundred seventy-one".