505604019 has 8 divisors (see below), whose sum is σ = 689816512. Its totient is φ = 329230440.

The previous prime is 505603999. The next prime is 505604027. The reversal of 505604019 is 910406505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505604019 - 2¹² = 505599923 is a prime.

It is a super-2 number, since 2×505604019² = 511270848057904722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505604119) 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 7 ways as a sum of consecutive naturals, for example, 1959577 + ... + 1959834.

It is an arithmetic number, because the mean of its divisors is an integer number (86227064).

Almost surely, 2^505604019 is an apocalyptic number.

505604019 is a deficient number, since it is larger than the sum of its proper divisors (184212493).

505604019 is a wasteful number, since it uses less digits than its factorization.

505604019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919457.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 505604019 is about 22485.6402844126. The cubic root of 505604019 is about 796.6547913669.

The spelling of 505604019 in words is "five hundred five million, six hundred four thousand, nineteen".