505216341 has 12 divisors (see below), whose sum is σ = 834008032. Its totient is φ = 288695016.

The previous prime is 505216277. The next prime is 505216343. The reversal of 505216341 is 143612505.

505216341 is a `hidden beast` number, since 5 + 0 + 5 + 21 + 634 + 1 = 666.

It is not a de Polignac number, because 505216341 - 2⁶ = 505216277 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505216343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4009591 + ... + 4009716.

Almost surely, 2^505216341 is an apocalyptic number.

It is an amenable number.

505216341 is a deficient number, since it is larger than the sum of its proper divisors (328791691).

505216341 is a wasteful number, since it uses less digits than its factorization.

505216341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019320 (or 8019317 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 505216341 is about 22477.0180629015. The cubic root of 505216341 is about 796.4511244027.

Adding to 505216341 its reverse (143612505), we get a palindrome (648828846).

The spelling of 505216341 in words is "five hundred five million, two hundred sixteen thousand, three hundred forty-one".