505016541 has 6 divisors (see below), whose sum is σ = 729468350. Its totient is φ = 336677688.

The previous prime is 505016537. The next prime is 505016579. The reversal of 505016541 is 145610505.

It is a happy number.

505016541 is a `hidden beast` number, since 5 + 0 + 5 + 0 + 1 + 654 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 321305625 + 183710916 = 17925^2 + 13554^2 .

It is not a de Polignac number, because 505016541 - 2² = 505016537 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 (505016521) 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 5 ways as a sum of consecutive naturals, for example, 28056466 + ... + 28056483.

Almost surely, 2^505016541 is an apocalyptic number.

It is an amenable number.

505016541 is a deficient number, since it is larger than the sum of its proper divisors (224451809).

505016541 is a wasteful number, since it uses less digits than its factorization.

505016541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56112955 (or 56112952 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 505016541 is about 22472.5730836502. The cubic root of 505016541 is about 796.3461186169.

The spelling of 505016541 in words is "five hundred five million, sixteen thousand, five hundred forty-one".