520466081 has 8 divisors (see below), whose sum is σ = 530508960. Its totient is φ = 510464032.

The previous prime is 520466077. The next prime is 520466137. The reversal of 520466081 is 180664025.

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 520466081 - 2² = 520466077 is a prime.

It is a super-2 number, since 2×520466081² = 541769882942997122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520466041) 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, 16181 + ... + 36093.

It is an arithmetic number, because the mean of its divisors is an integer number (66313620).

Almost surely, 2^520466081 is an apocalyptic number.

It is an amenable number.

520466081 is a deficient number, since it is larger than the sum of its proper divisors (10042879).

520466081 is a wasteful number, since it uses less digits than its factorization.

520466081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20415.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 520466081 is about 22813.7257150164. The cubic root of 520466081 is about 804.3853343167.

The spelling of 520466081 in words is "five hundred twenty million, four hundred sixty-six thousand, eighty-one".