506355243 has 8 divisors (see below), whose sum is σ = 676051968. Its totient is φ = 337114344.

The previous prime is 506355233. The next prime is 506355259. The reversal of 506355243 is 342553605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 506355243 - 2¹² = 506351147 is a prime.

It is a super-2 number, since 2×506355243² = 512791264227178098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (506355233) 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 7 ways as a sum of consecutive naturals, for example, 111355 + ... + 115812.

It is an arithmetic number, because the mean of its divisors is an integer number (84506496).

Almost surely, 2^506355243 is an apocalyptic number.

506355243 is a deficient number, since it is larger than the sum of its proper divisors (169696725).

506355243 is a wasteful number, since it uses less digits than its factorization.

506355243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227913.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 506355243 is about 22502.3386117977. The cubic root of 506355243 is about 797.0491513940.

It can be divided in two parts, 5063 and 55243, that added together give a palindrome (60306).

The spelling of 506355243 in words is "five hundred six million, three hundred fifty-five thousand, two hundred forty-three".