505401683 has 8 divisors (see below), whose sum is σ = 510141552. Its totient is φ = 500681376.

The previous prime is 505401641. The next prime is 505401713. The reversal of 505401683 is 386104505.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 505401683 - 2¹⁰ = 505400659 is a prime.

It is a super-2 number, since 2×505401683² = 510861722358464978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505401613) 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, 49841 + ... + 59117.

It is an arithmetic number, because the mean of its divisors is an integer number (63767694).

Almost surely, 2^505401683 is an apocalyptic number.

505401683 is a deficient number, since it is larger than the sum of its proper divisors (4739869).

505401683 is a wasteful number, since it uses less digits than its factorization.

505401683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 505401683 is about 22481.1406071845. The cubic root of 505401683 is about 796.5485069724.

The spelling of 505401683 in words is "five hundred five million, four hundred one thousand, six hundred eighty-three".