505241231 has 8 divisors (see below), whose sum is σ = 555139200. Its totient is φ = 456004440.

The previous prime is 505241227. The next prime is 505241251. The reversal of 505241231 is 132142505.

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

It is a cyclic number.

It is not a de Polignac number, because 505241231 - 2² = 505241227 is a prime.

It is a super-2 number, since 2×505241231² = 510537403004790722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505241197 and 505241206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505241221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163691 + ... + 166748.

It is an arithmetic number, because the mean of its divisors is an integer number (69392400).

Almost surely, 2^505241231 is an apocalyptic number.

505241231 is a deficient number, since it is larger than the sum of its proper divisors (49897969).

505241231 is a wasteful number, since it uses less digits than its factorization.

505241231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330589.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 505241231 is about 22477.5717327295. The cubic root of 505241231 is about 796.4642035144.

Adding to 505241231 its reverse (132142505), we get a palindrome (637383736).

The spelling of 505241231 in words is "five hundred five million, two hundred forty-one thousand, two hundred thirty-one".