520344061 has 8 divisors (see below), whose sum is σ = 535452984. Its totient is φ = 505290240.

The previous prime is 520344029. The next prime is 520344067. The reversal of 520344061 is 160443025.

It can be written as a sum of positive squares in 4 ways, for example, as 25948836 + 494395225 = 5094^2 + 22235^2 .

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 520344061 - 2⁵ = 520344029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520344067) 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, 5781 + ... + 32773.

It is an arithmetic number, because the mean of its divisors is an integer number (66931623).

Almost surely, 2^520344061 is an apocalyptic number.

It is an amenable number.

520344061 is a deficient number, since it is larger than the sum of its proper divisors (15108923).

520344061 is a wasteful number, since it uses less digits than its factorization.

520344061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27551.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 520344061 is about 22811.0512909861. The cubic root of 520344061 is about 804.3224683757.

Adding to 520344061 its reverse (160443025), we get a palindrome (680787086).

The spelling of 520344061 in words is "five hundred twenty million, three hundred forty-four thousand, sixty-one".