520527 has 12 divisors (see below), whose sum is σ = 807576. Its totient is φ = 297360.

The previous prime is 520451. The next prime is 520529. The reversal of 520527 is 725025.

It is not a de Polignac number, because 520527 - 2¹² = 516431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

520527 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520529) 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 11 ways as a sum of consecutive naturals, for example, 1624 + ... + 1917.

It is an arithmetic number, because the mean of its divisors is an integer number (67298).

2⁵²⁰⁵²⁷ is an apocalyptic number.

520527 is a deficient number, since it is larger than the sum of its proper divisors (287049).

520527 is a wasteful number, since it uses less digits than its factorization.

520527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 520527 is about 721.4755713120. The cubic root of 520527 is about 80.4416716726.

The spelling of 520527 in words is "five hundred twenty thousand, five hundred twenty-seven".