520000511 has 8 divisors (see below), whose sum is σ = 523845504. Its totient is φ = 516166560.

The previous prime is 520000489. The next prime is 520000513. The reversal of 520000511 is 115000025.

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 520000511 - 2¹⁸ = 519738367 is a prime.

It is a super-2 number, since 2×520000511² = 540801062880522242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520000513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107501 + ... + 112233.

It is an arithmetic number, because the mean of its divisors is an integer number (65480688).

Almost surely, 2^520000511 is an apocalyptic number.

520000511 is a deficient number, since it is larger than the sum of its proper divisors (3844993).

520000511 is a wasteful number, since it uses less digits than its factorization.

520000511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 520000511 is about 22803.5197063962. The cubic root of 520000511 is about 804.1454151268.

Adding to 520000511 its reverse (115000025), we get a palindrome (635000536).

The spelling of 520000511 in words is "five hundred twenty million, five hundred eleven", and thus it is an aban number.