520531241 has 8 divisors (see below), whose sum is σ = 528999744. Its totient is φ = 512083440.

The previous prime is 520531213. The next prime is 520531247. The reversal of 520531241 is 142135025.

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 520531241 - 2¹⁸ = 520269097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520531247) 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, 50276 + ... + 59738.

It is an arithmetic number, because the mean of its divisors is an integer number (66124968).

Almost surely, 2^520531241 is an apocalyptic number.

It is an amenable number.

520531241 is a deficient number, since it is larger than the sum of its proper divisors (8468503).

520531241 is an equidigital number, since it uses as much as digits as its factorization.

520531241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10351.

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

The square root of 520531241 is about 22815.1537579741. The cubic root of 520531241 is about 804.4189013848.

Adding to 520531241 its reverse (142135025), we get a palindrome (662666266).

The spelling of 520531241 in words is "five hundred twenty million, five hundred thirty-one thousand, two hundred forty-one".