506019673 has 4 divisors (see below), whose sum is σ = 515567268. Its totient is φ = 496472080.

The previous prime is 506019667. The next prime is 506019677. The reversal of 506019673 is 376910605.

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

It can be written as a sum of positive squares in 2 ways, for example, as 225390169 + 280629504 = 15013^2 + 16752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506019673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506019677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4773718 + ... + 4773823.

It is an arithmetic number, because the mean of its divisors is an integer number (128891817).

Almost surely, 2^506019673 is an apocalyptic number.

506019673 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

506019673 is a deficient number, since it is larger than the sum of its proper divisors (9547595).

506019673 is an equidigital number, since it uses as much as digits as its factorization.

506019673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9547594.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 506019673 is about 22494.8810399166. The cubic root of 506019673 is about 796.8730399296.

The spelling of 506019673 in words is "five hundred six million, nineteen thousand, six hundred seventy-three".