499051331 has 4 divisors (see below), whose sum is σ = 499738512. Its totient is φ = 498364152.

The previous prime is 499051327. The next prime is 499051349. The reversal of 499051331 is 133150994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499051331 - 2² = 499051327 is a prime.

It is a super-2 number, since 2×499051331² = 498104461945743122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499051291 and 499051300.

It is not an unprimeable number, because it can be changed into a prime (499051351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342500 + ... + 343953.

It is an arithmetic number, because the mean of its divisors is an integer number (124934628).

Almost surely, 2^499051331 is an apocalyptic number.

499051331 is a deficient number, since it is larger than the sum of its proper divisors (687181).

499051331 is an equidigital number, since it uses as much as digits as its factorization.

499051331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687180.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 499051331 is about 22339.4568197170. The cubic root of 499051331 is about 793.1982354555.

The spelling of 499051331 in words is "four hundred ninety-nine million, fifty-one thousand, three hundred thirty-one".