520231241 has 8 divisors (see below), whose sum is σ = 531826824. Its totient is φ = 508734720.

The previous prime is 520231189. The next prime is 520231249. The reversal of 520231241 is 142132025.

It can be written as a sum of positive squares in 4 ways, for example, as 163216 + 520068025 = 404^2 + 22805^2 .

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 520231241 - 2⁶ = 520231177 is a prime.

It is a super-2 number, since 2×520231241² = 541281088224800162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (520231249) 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, 14096 + ... + 35201.

It is an arithmetic number, because the mean of its divisors is an integer number (66478353).

Almost surely, 2^520231241 is an apocalyptic number.

It is an amenable number.

520231241 is a deficient number, since it is larger than the sum of its proper divisors (11595583).

520231241 is a wasteful number, since it uses less digits than its factorization.

520231241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49531.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 520231241 is about 22808.5782327615. The cubic root of 520231241 is about 804.2643336229.

Adding to 520231241 its reverse (142132025), we get a palindrome (662363266).

The spelling of 520231241 in words is "five hundred twenty million, two hundred thirty-one thousand, two hundred forty-one".