499554505 has 4 divisors (see below), whose sum is σ = 599465412. Its totient is φ = 399643600.

The previous prime is 499554499. The next prime is 499554511. The reversal of 499554505 is 505455994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505455994 = 2 ⋅252727997.

It is an interprime number because it is at equal distance from previous prime (499554499) and next prime (499554511).

It can be written as a sum of positive squares in 2 ways, for example, as 260790201 + 238764304 = 16149^2 + 15452^2 .

It is a de Polignac number, because none of the positive numbers 2^k-499554505 is a prime.

It is a super-5 number, since 5×499554505⁵ (a number of 45 digits) contains 55555 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49955446 + ... + 49955455.

It is an arithmetic number, because the mean of its divisors is an integer number (149866353).

Almost surely, 2^499554505 is an apocalyptic number.

It is an amenable number.

499554505 is a deficient number, since it is larger than the sum of its proper divisors (99910907).

499554505 is an equidigital number, since it uses as much as digits as its factorization.

499554505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99910906.

The product of its (nonzero) digits is 810000, while the sum is 46.

The square root of 499554505 is about 22350.7159840574. The cubic root of 499554505 is about 793.4647295289.

The spelling of 499554505 in words is "four hundred ninety-nine million, five hundred fifty-four thousand, five hundred five".