520305441 has 8 divisors (see below), whose sum is σ = 694123584. Its totient is φ = 346678800.

The previous prime is 520305431. The next prime is 520305479. The reversal of 520305441 is 144503025.

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

It is not a de Polignac number, because 520305441 - 2⁶ = 520305377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520305431) 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, 41410 + ... + 52491.

It is an arithmetic number, because the mean of its divisors is an integer number (86765448).

Almost surely, 2^520305441 is an apocalyptic number.

It is an amenable number.

520305441 is a deficient number, since it is larger than the sum of its proper divisors (173818143).

520305441 is a wasteful number, since it uses less digits than its factorization.

520305441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95751.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 520305441 is about 22810.2047557667. The cubic root of 520305441 is about 804.3025689126.

Adding to 520305441 its reverse (144503025), we get a palindrome (664808466).

The spelling of 520305441 in words is "five hundred twenty million, three hundred five thousand, four hundred forty-one".