520465411 has 4 divisors (see below), whose sum is σ = 520669800. Its totient is φ = 520261024.

The previous prime is 520465409. The next prime is 520465427. The reversal of 520465411 is 114564025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520465411 - 2¹ = 520465409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520465411.

It is not an unprimeable number, because it can be changed into a prime (520465511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98326 + ... + 103483.

It is an arithmetic number, because the mean of its divisors is an integer number (130167450).

Almost surely, 2^520465411 is an apocalyptic number.

520465411 is a deficient number, since it is larger than the sum of its proper divisors (204389).

520465411 is a wasteful number, since it uses less digits than its factorization.

520465411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204388.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 520465411 is about 22813.7110308691. The cubic root of 520465411 is about 804.3849891527.

The spelling of 520465411 in words is "five hundred twenty million, four hundred sixty-five thousand, four hundred eleven".