520432061 has 8 divisors (see below), whose sum is σ = 537512448. Its totient is φ = 503370000.

The previous prime is 520432049. The next prime is 520432079. The reversal of 520432061 is 160234025.

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 520432061 - 2⁶ = 520431997 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 (520432001) 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, 75791 + ... + 82371.

It is an arithmetic number, because the mean of its divisors is an integer number (67189056).

Almost surely, 2^520432061 is an apocalyptic number.

It is an amenable number.

520432061 is a deficient number, since it is larger than the sum of its proper divisors (17080387).

520432061 is a wasteful number, since it uses less digits than its factorization.

520432061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9163.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 520432061 is about 22812.9800990576. The cubic root of 520432061 is about 804.3678078557.

Adding to 520432061 its reverse (160234025), we get a palindrome (680666086).

The spelling of 520432061 in words is "five hundred twenty million, four hundred thirty-two thousand, sixty-one".