505342611 has 16 divisors (see below), whose sum is σ = 761347200. Its totient is φ = 331183944.

The previous prime is 505342553. The next prime is 505342619. The reversal of 505342611 is 116243505.

505342611 is a `hidden beast` number, since 5 + 0 + 5 + 3 + 42 + 611 = 666.

It is not a de Polignac number, because 505342611 - 2⁶ = 505342547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (505342619) 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 15 ways as a sum of consecutive naturals, for example, 157021 + ... + 160206.

It is an arithmetic number, because the mean of its divisors is an integer number (47584200).

Almost surely, 2^505342611 is an apocalyptic number.

505342611 is a deficient number, since it is larger than the sum of its proper divisors (256004589).

505342611 is a wasteful number, since it uses less digits than its factorization.

505342611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317295 (or 317289 counting only the distinct ones).

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

The square root of 505342611 is about 22479.8267564499. The cubic root of 505342611 is about 796.5174718913.

The spelling of 505342611 in words is "five hundred five million, three hundred forty-two thousand, six hundred eleven".