505112043 has 4 divisors (see below), whose sum is σ = 673482728. Its totient is φ = 336741360.

The previous prime is 505112033. The next prime is 505112057. The reversal of 505112043 is 340211505.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 505112043 - 2⁸ = 505111787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505112033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84185338 + ... + 84185343.

It is an arithmetic number, because the mean of its divisors is an integer number (168370682).

Almost surely, 2^505112043 is an apocalyptic number.

505112043 is a deficient number, since it is larger than the sum of its proper divisors (168370685).

505112043 is a wasteful number, since it uses less digits than its factorization.

505112043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168370684.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 505112043 is about 22474.6978400156. The cubic root of 505112043 is about 796.3963135758.

Adding to 505112043 its reverse (340211505), we get a palindrome (845323548).

The spelling of 505112043 in words is "five hundred five million, one hundred twelve thousand, forty-three".