520244641 has 8 divisors (see below), whose sum is σ = 594707904. Its totient is φ = 445817040.

The previous prime is 520244617. The next prime is 520244651. The reversal of 520244641 is 146442025.

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 520244641 - 2⁵ = 520244609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520244611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40986 + ... + 52156.

It is an arithmetic number, because the mean of its divisors is an integer number (74338488).

Almost surely, 2^520244641 is an apocalyptic number.

It is an amenable number.

520244641 is a deficient number, since it is larger than the sum of its proper divisors (74463263).

520244641 is a wasteful number, since it uses less digits than its factorization.

520244641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17831.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 520244641 is about 22808.8719799994. The cubic root of 520244641 is about 804.2712389173.

Adding to 520244641 its reverse (146442025), we get a palindrome (666686666).

It can be divided in two parts, 52024 and 4641, that added together give a palindrome (56665).

The spelling of 520244641 in words is "five hundred twenty million, two hundred forty-four thousand, six hundred forty-one".