505675443 has 72 divisors (see below), whose sum is σ = 892655568. Its totient is φ = 252346752.

The previous prime is 505675439. The next prime is 505675451. The reversal of 505675443 is 344576505.

It is not a de Polignac number, because 505675443 - 2² = 505675439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505675403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 689505 + ... + 690237.

It is an arithmetic number, because the mean of its divisors is an integer number (12397994).

Almost surely, 2^505675443 is an apocalyptic number.

505675443 is a deficient number, since it is larger than the sum of its proper divisors (386980125).

505675443 is a wasteful number, since it uses less digits than its factorization.

505675443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The square root of 505675443 is about 22487.2284419401. The cubic root of 505675443 is about 796.6923026672.

The spelling of 505675443 in words is "five hundred five million, six hundred seventy-five thousand, four hundred forty-three".