520041231 has 24 divisors (see below), whose sum is σ = 765063936. Its totient is φ = 340336080.

The previous prime is 520041217. The next prime is 520041257. The reversal of 520041231 is 132140025.

It is not a de Polignac number, because 520041231 - 2⁶ = 520041167 is a prime.

It is a super-2 number, since 2×520041231² = 540885763879990722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520041331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119626 + ... + 123896.

It is an arithmetic number, because the mean of its divisors is an integer number (31877664).

Almost surely, 2^520041231 is an apocalyptic number.

520041231 is a deficient number, since it is larger than the sum of its proper divisors (245022705).

520041231 is a wasteful number, since it uses less digits than its factorization.

520041231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523 (or 4520 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 520041231 is about 22804.4125335427. The cubic root of 520041231 is about 804.1664048156.

Adding to 520041231 its reverse (132140025), we get a palindrome (652181256).

It can be divided in two parts, 52004 and 1231, that added together give a palindrome (53235).

The spelling of 520041231 in words is "five hundred twenty million, forty-one thousand, two hundred thirty-one".