505785103 has 8 divisors (see below), whose sum is σ = 508366368. Its totient is φ = 503209824.

The previous prime is 505785101. The next prime is 505785113. The reversal of 505785103 is 301587505.

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 505785103 - 2¹ = 505785101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505785101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338025 + ... + 339517.

It is an arithmetic number, because the mean of its divisors is an integer number (63545796).

Almost surely, 2^505785103 is an apocalyptic number.

505785103 is a deficient number, since it is larger than the sum of its proper divisors (2581265).

505785103 is a wasteful number, since it uses less digits than its factorization.

505785103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 505785103 is about 22489.6665826775. Note that the first 3 decimals coincide. The cubic root of 505785103 is about 796.7498883279.

The spelling of 505785103 in words is "five hundred five million, seven hundred eighty-five thousand, one hundred three".