505875843 has 12 divisors (see below), whose sum is σ = 797137848. Its totient is φ = 306591360.

The previous prime is 505875841. The next prime is 505875871. The reversal of 505875843 is 348578505.

It is not a de Polignac number, because 505875843 - 2¹ = 505875841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505875841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2554830 + ... + 2555027.

It is an arithmetic number, because the mean of its divisors is an integer number (66428154).

Almost surely, 2^505875843 is an apocalyptic number.

505875843 is a deficient number, since it is larger than the sum of its proper divisors (291262005).

505875843 is a wasteful number, since it uses less digits than its factorization.

505875843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109874 (or 5109871 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 505875843 is about 22491.6838631526. The cubic root of 505875843 is about 796.7975322524.

The spelling of 505875843 in words is "five hundred five million, eight hundred seventy-five thousand, eight hundred forty-three".