520242481 has 8 divisors (see below), whose sum is σ = 581380128. Its totient is φ = 461412000.

The previous prime is 520242473. The next prime is 520242511. The reversal of 520242481 is 184242025.

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 520242481 - 2³ = 520242473 is a prime.

It is a super-2 number, since 2×520242481² = 541304478074070722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520242421) 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, 576315 + ... + 577216.

It is an arithmetic number, because the mean of its divisors is an integer number (72672516).

Almost surely, 2^520242481 is an apocalyptic number.

It is an amenable number.

520242481 is a deficient number, since it is larger than the sum of its proper divisors (61137647).

520242481 is a wasteful number, since it uses less digits than its factorization.

520242481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153583.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 520242481 is about 22808.8246299541. The cubic root of 520242481 is about 804.2701258331.

The spelling of 520242481 in words is "five hundred twenty million, two hundred forty-two thousand, four hundred eighty-one".