505524231 has 12 divisors (see below), whose sum is σ = 731771352. Its totient is φ = 336291696.

The previous prime is 505524209. The next prime is 505524247. The reversal of 505524231 is 132425505.

It is a happy number.

It is not a de Polignac number, because 505524231 - 2⁶ = 505524167 is a prime.

It is a super-2 number, since 2×505524231² = 511109496256282722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505524195 and 505524204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505524731) 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, 55936 + ... + 64341.

It is an arithmetic number, because the mean of its divisors is an integer number (60980946).

Almost surely, 2^505524231 is an apocalyptic number.

505524231 is a deficient number, since it is larger than the sum of its proper divisors (226247121).

505524231 is a wasteful number, since it uses less digits than its factorization.

505524231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120750 (or 120747 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 505524231 is about 22483.8660154343. The cubic root of 505524231 is about 796.6128831844.

Adding to 505524231 its reverse (132425505), we get a palindrome (637949736).

The spelling of 505524231 in words is "five hundred five million, five hundred twenty-four thousand, two hundred thirty-one".