520016 has 20 divisors (see below), whose sum is σ = 1151712. Its totient is φ = 222816.

The previous prime is 519997. The next prime is 520019. The reversal of 520016 is 610025.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520019) by changing a digit.

520016 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2210 + ... + 2433.

2⁵²⁰⁰¹⁶ is an apocalyptic number.

520016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

520016 is an abundant number, since it is smaller than the sum of its proper divisors (631696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520016 is a wasteful number, since it uses less digits than its factorization.

520016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658 (or 4652 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 520016 is about 721.1213490114. The cubic root of 520016 is about 80.4153399276.

Subtracting 520016 from its reverse (610025), we obtain a palindrome (90009).

The spelling of 520016 in words is "five hundred twenty thousand, sixteen".