505041231 has 16 divisors (see below), whose sum is σ = 693302400. Its totient is φ = 326782368.

The previous prime is 505041221. The next prime is 505041259. The reversal of 505041231 is 132140505.

It is not a de Polignac number, because 505041231 - 2⁶ = 505041167 is a prime.

It is a super-2 number, since 2×505041231² = 510133290019990722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505041198 and 505041207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505041221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41080 + ... + 51938.

It is an arithmetic number, because the mean of its divisors is an integer number (43331400).

Almost surely, 2^505041231 is an apocalyptic number.

505041231 is a deficient number, since it is larger than the sum of its proper divisors (188261169).

505041231 is a wasteful number, since it uses less digits than its factorization.

505041231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 505041231 is about 22473.1224132295. The cubic root of 505041231 is about 796.3590960567.

Adding to 505041231 its reverse (132140505), we get a palindrome (637181736).

The spelling of 505041231 in words is "five hundred five million, forty-one thousand, two hundred thirty-one".