521014 has 16 divisors (see below), whose sum is σ = 871920. Its totient is φ = 231840.

The previous prime is 521009. The next prime is 521021. The reversal of 521014 is 410125.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 520985 and 521003.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 409 + ... + 1099.

It is an arithmetic number, because the mean of its divisors is an integer number (54495).

2⁵²¹⁰¹⁴ is an apocalyptic number.

521014 is a deficient number, since it is larger than the sum of its proper divisors (350906).

521014 is a wasteful number, since it uses less digits than its factorization.

521014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 521014 is about 721.8129951726. The cubic root of 521014 is about 80.4667506683.

Adding to 521014 its reverse (410125), we get a palindrome (931139).

Subtracting from 521014 its reverse (410125), we obtain a square (110889 = 333²).

The spelling of 521014 in words is "five hundred twenty-one thousand, fourteen".