504442231 has 2 divisors, whose sum is σ = 504442232. Its totient is φ = 504442230.

The previous prime is 504442217. The next prime is 504442247. The reversal of 504442231 is 132244405.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504442231 is a prime.

It is a super-2 number, since 2×504442231² = 508923928832514722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 504442196 and 504442205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504442031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252221115 + 252221116.

It is an arithmetic number, because the mean of its divisors is an integer number (252221116).

Almost surely, 2^504442231 is an apocalyptic number.

504442231 is a deficient number, since it is larger than the sum of its proper divisors (1).

504442231 is an equidigital number, since it uses as much as digits as its factorization.

504442231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 504442231 is about 22459.7914282390. The cubic root of 504442231 is about 796.0441331178.

Adding to 504442231 its reverse (132244405), we get a palindrome (636686636).

The spelling of 504442231 in words is "five hundred four million, four hundred forty-two thousand, two hundred thirty-one".