505616343 has 8 divisors (see below), whose sum is σ = 686875248. Its totient is φ = 330717504.

The previous prime is 505616333. The next prime is 505616351. The reversal of 505616343 is 343616505.

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

It is not a de Polignac number, because 505616343 - 2⁵ = 505616311 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505616333) 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, 1589830 + ... + 1590147.

It is an arithmetic number, because the mean of its divisors is an integer number (85859406).

Almost surely, 2^505616343 is an apocalyptic number.

505616343 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

505616343 is a deficient number, since it is larger than the sum of its proper divisors (181258905).

505616343 is a wasteful number, since it uses less digits than its factorization.

505616343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180033.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 505616343 is about 22485.9143243053. The cubic root of 505616343 is about 796.6612640830.

The spelling of 505616343 in words is "five hundred five million, six hundred sixteen thousand, three hundred forty-three".